Insect Hormones / / H. Frederik Nijhout.

Although insect endocrinology is one of the oldest and most active branches of insect physiology, its classic general texts are long out of date, while its abundant primary literature provides little biological context in which to make sense of the discipline as a whole. In this book, H. Frederik Ni...

Full description

Saved in:
Bibliographic Details
Superior document:Title is part of eBook package: De Gruyter Princeton University Press eBook-Package Archive 1927-1999
VerfasserIn:
Place / Publishing House:Princeton, NJ : : Princeton University Press, , [2022]
©1994
Year of Publication:2022
Language:English
Online Access:
Physical Description:1 online resource (279 p.) :; 15 halftones 91 line illus.
Tags: Add Tag
No Tags, Be the first to tag this record!
id 9780691225111
lccn 2020759420
ctrlnum (DE-B1597)576313
collection bib_alma
record_format marc
spelling Nijhout, H. Frederik, author. aut http://id.loc.gov/vocabulary/relators/aut
Insect Hormones / H. Frederik Nijhout.
Princeton, NJ : Princeton University Press, [2022]
©1994
1 online resource (279 p.) : 15 halftones 91 line illus.
text txt rdacontent
computer c rdamedia
online resource cr rdacarrier
text file PDF rda
Frontmatter -- CONTENTS -- PREFACE -- CHAPTER 1: ANATOMY OF THE INSECT ENDOCRINE SYSTEM -- CHAPTER 2: MECHANISMS OF HORMONE ACTION AND EXPERIMENTAL METHODS -- CHAPTER 3: METABOLISM AND HOMEOSTASIS -- CHAPTER 4: THE DEVELOPMENTAL PHYSIOLOGY OF GROWTH, MOLTING, AND METAMORPHOSIS -- CHAPTER 5: THE ENDOCRINE CONTROL OF MOLTING AND METAMORPHOSIS -- CHAPTER 6: REPRODUCTION -- CHAPTER 7: DIAPAUSE -- CHAPTER 8: POLYPHENISMS -- CHAPTER 9: HORMONES AND BEHAVIOR -- EPILOGUE -- LITERATURE CITED -- AUTHOR INDEX -- SUBJECT INDEX
restricted access http://purl.org/coar/access_right/c_16ec online access with authorization star
Although insect endocrinology is one of the oldest and most active branches of insect physiology, its classic general texts are long out of date, while its abundant primary literature provides little biological context in which to make sense of the discipline as a whole. In this book, H. Frederik Nijhout's goal is to provide a complete, concise, and up-to-date source for students and nonspecialists seeking an overview of the dynamic and wide-ranging science that insect endocrinology has become since its beginnings nearly eighty years ago in the study of insect metamorphosis. The author offers a comprehensive survey of the many roles that hormones play in the biology of insects. Among the topics discussed are the control of molting, metamorphosis, reproduction, caste determination in social insects, diapause, migration, carbohydrate and lipid metabolism, diuresis, and behavior. The account features a summary of the most current and accurate thinking on the complex roles of ecdysone and juvenile hormone in the control of metamorphosis, a process still misunderstood and misrepresented in biological textbooks and many professional reviews. Throughout, the book's emphasis is on the biology of the organism and the ways in which physiological and developmental regulatory mechanisms are integrated into the insect's life cycle.
Mode of access: Internet via World Wide Web.
In English.
Description based on online resource; title from PDF title page (publisher's Web site, viewed 29. Jul 2022)
Insect hormones.
Insects Development.
Insects Physiology.
SCIENCE / Life Sciences / Biology. bisacsh
Acetyl choline.
Adenylate cyclase.
Ageratum houstonianum.
Aglais urticae.
Allometric constant.
Anastrepa suspensa.
Androgenic hormone.
Apanteles congregatus.
Araschnia levana.
Baculovirus.
Behavioral castes.
Brain hormone.
Butterfly scales.
Byrsotria fumigata.
Caffeine.
Cediopsylla simplex.
Cholecystokinin.
Chromatic adaptation.
Chromatophores.
Cocoon spinning.
Coleoptera.
Critical daylength.
Cryptonephridial system.
Cuticulin.
Dacus.
Developmental hormones.
Developmental switches.
Dipetalogaster maximus.
Ecdysial membrane.
Ecdysial suture.
Ephemeroptera.
External skeleton.
Frontal ganglion.
Glycogen.
Habrobracon juglandis.
Homeostasis.
Hormone assays.
Hypocerebral ganglion.
Insecticyanin.
Juvabione.
Kinoprene.
Larval differentiation.
Long-day insects.
Magicicada.
Manduca quinquemaculata.
Membracidae.
Metabolism.
Migration.
Myzus persicae.
Neuroblasts.
Neurohemal organ.
Neurotransmitter.
Title is part of eBook package: De Gruyter Princeton University Press eBook-Package Archive 1927-1999 9783110442496
Title is part of eBook package: De Gruyter Princeton University Press eBook-Package Gap Years 9783110784237
https://doi.org/10.1515/9780691225111?locatt=mode:legacy
https://www.degruyter.com/isbn/9780691225111
Cover https://www.degruyter.com/document/cover/isbn/9780691225111/original
language English
format eBook
author Nijhout, H. Frederik,
Nijhout, H. Frederik,
spellingShingle Nijhout, H. Frederik,
Nijhout, H. Frederik,
Insect Hormones /
Frontmatter --
CONTENTS --
PREFACE --
CHAPTER 1: ANATOMY OF THE INSECT ENDOCRINE SYSTEM --
CHAPTER 2: MECHANISMS OF HORMONE ACTION AND EXPERIMENTAL METHODS --
CHAPTER 3: METABOLISM AND HOMEOSTASIS --
CHAPTER 4: THE DEVELOPMENTAL PHYSIOLOGY OF GROWTH, MOLTING, AND METAMORPHOSIS --
CHAPTER 5: THE ENDOCRINE CONTROL OF MOLTING AND METAMORPHOSIS --
CHAPTER 6: REPRODUCTION --
CHAPTER 7: DIAPAUSE --
CHAPTER 8: POLYPHENISMS --
CHAPTER 9: HORMONES AND BEHAVIOR --
EPILOGUE --
LITERATURE CITED --
AUTHOR INDEX --
SUBJECT INDEX
author_facet Nijhout, H. Frederik,
Nijhout, H. Frederik,
author_variant h f n hf hfn
h f n hf hfn
author_role VerfasserIn
VerfasserIn
author_sort Nijhout, H. Frederik,
title Insect Hormones /
title_full Insect Hormones / H. Frederik Nijhout.
title_fullStr Insect Hormones / H. Frederik Nijhout.
title_full_unstemmed Insect Hormones / H. Frederik Nijhout.
title_auth Insect Hormones /
title_alt Frontmatter --
CONTENTS --
PREFACE --
CHAPTER 1: ANATOMY OF THE INSECT ENDOCRINE SYSTEM --
CHAPTER 2: MECHANISMS OF HORMONE ACTION AND EXPERIMENTAL METHODS --
CHAPTER 3: METABOLISM AND HOMEOSTASIS --
CHAPTER 4: THE DEVELOPMENTAL PHYSIOLOGY OF GROWTH, MOLTING, AND METAMORPHOSIS --
CHAPTER 5: THE ENDOCRINE CONTROL OF MOLTING AND METAMORPHOSIS --
CHAPTER 6: REPRODUCTION --
CHAPTER 7: DIAPAUSE --
CHAPTER 8: POLYPHENISMS --
CHAPTER 9: HORMONES AND BEHAVIOR --
EPILOGUE --
LITERATURE CITED --
AUTHOR INDEX --
SUBJECT INDEX
title_new Insect Hormones /
title_sort insect hormones /
publisher Princeton University Press,
publishDate 2022
physical 1 online resource (279 p.) : 15 halftones 91 line illus.
contents Frontmatter --
CONTENTS --
PREFACE --
CHAPTER 1: ANATOMY OF THE INSECT ENDOCRINE SYSTEM --
CHAPTER 2: MECHANISMS OF HORMONE ACTION AND EXPERIMENTAL METHODS --
CHAPTER 3: METABOLISM AND HOMEOSTASIS --
CHAPTER 4: THE DEVELOPMENTAL PHYSIOLOGY OF GROWTH, MOLTING, AND METAMORPHOSIS --
CHAPTER 5: THE ENDOCRINE CONTROL OF MOLTING AND METAMORPHOSIS --
CHAPTER 6: REPRODUCTION --
CHAPTER 7: DIAPAUSE --
CHAPTER 8: POLYPHENISMS --
CHAPTER 9: HORMONES AND BEHAVIOR --
EPILOGUE --
LITERATURE CITED --
AUTHOR INDEX --
SUBJECT INDEX
isbn 9780691225111
9783110442496
9783110784237
callnumber-first Q - Science
callnumber-subject QL - Zoology
callnumber-label QL495
callnumber-sort QL 3495
url https://doi.org/10.1515/9780691225111?locatt=mode:legacy
https://www.degruyter.com/isbn/9780691225111
https://www.degruyter.com/document/cover/isbn/9780691225111/original
illustrated Illustrated
doi_str_mv 10.1515/9780691225111?locatt=mode:legacy
work_keys_str_mv AT nijhouthfrederik insecthormones
status_str n
ids_txt_mv (DE-B1597)576313
carrierType_str_mv cr
hierarchy_parent_title Title is part of eBook package: De Gruyter Princeton University Press eBook-Package Archive 1927-1999
Title is part of eBook package: De Gruyter Princeton University Press eBook-Package Gap Years
is_hierarchy_title Insect Hormones /
container_title Title is part of eBook package: De Gruyter Princeton University Press eBook-Package Archive 1927-1999
_version_ 1770176348676947968
fullrecord <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>06142nam a22012855i 4500</leader><controlfield tag="001">9780691225111</controlfield><controlfield tag="003">DE-B1597</controlfield><controlfield tag="005">20220729113935.0</controlfield><controlfield tag="006">m|||||o||d||||||||</controlfield><controlfield tag="007">cr || ||||||||</controlfield><controlfield tag="008">220729t20221994nju fo d z eng d</controlfield><datafield tag="010" ind1=" " ind2=" "><subfield code="a">2020759420</subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">9780691225111</subfield></datafield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1515/9780691225111</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-B1597)576313</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-B1597</subfield><subfield code="b">eng</subfield><subfield code="c">DE-B1597</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="044" ind1=" " ind2=" "><subfield code="a">nju</subfield><subfield code="c">US-NJ</subfield></datafield><datafield tag="050" ind1="0" ind2="0"><subfield code="a">QL495</subfield></datafield><datafield tag="072" ind1=" " ind2="7"><subfield code="a">SCI008000</subfield><subfield code="2">bisacsh</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Nijhout, H. Frederik, </subfield><subfield code="e">author.</subfield><subfield code="4">aut</subfield><subfield code="4">http://id.loc.gov/vocabulary/relators/aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Insect Hormones /</subfield><subfield code="c">H. Frederik Nijhout.</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Princeton, NJ : </subfield><subfield code="b">Princeton University Press, </subfield><subfield code="c">[2022]</subfield></datafield><datafield tag="264" ind1=" " ind2="4"><subfield code="c">©1994</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">1 online resource (279 p.) :</subfield><subfield code="b">15 halftones 91 line illus.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">computer</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">online resource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="347" ind1=" " ind2=" "><subfield code="a">text file</subfield><subfield code="b">PDF</subfield><subfield code="2">rda</subfield></datafield><datafield tag="505" ind1="0" ind2="0"><subfield code="t">Frontmatter -- </subfield><subfield code="t">CONTENTS -- </subfield><subfield code="t">PREFACE -- </subfield><subfield code="t">CHAPTER 1: ANATOMY OF THE INSECT ENDOCRINE SYSTEM -- </subfield><subfield code="t">CHAPTER 2: MECHANISMS OF HORMONE ACTION AND EXPERIMENTAL METHODS -- </subfield><subfield code="t">CHAPTER 3: METABOLISM AND HOMEOSTASIS -- </subfield><subfield code="t">CHAPTER 4: THE DEVELOPMENTAL PHYSIOLOGY OF GROWTH, MOLTING, AND METAMORPHOSIS -- </subfield><subfield code="t">CHAPTER 5: THE ENDOCRINE CONTROL OF MOLTING AND METAMORPHOSIS -- </subfield><subfield code="t">CHAPTER 6: REPRODUCTION -- </subfield><subfield code="t">CHAPTER 7: DIAPAUSE -- </subfield><subfield code="t">CHAPTER 8: POLYPHENISMS -- </subfield><subfield code="t">CHAPTER 9: HORMONES AND BEHAVIOR -- </subfield><subfield code="t">EPILOGUE -- </subfield><subfield code="t">LITERATURE CITED -- </subfield><subfield code="t">AUTHOR INDEX -- </subfield><subfield code="t">SUBJECT INDEX</subfield></datafield><datafield tag="506" ind1="0" ind2=" "><subfield code="a">restricted access</subfield><subfield code="u">http://purl.org/coar/access_right/c_16ec</subfield><subfield code="f">online access with authorization</subfield><subfield code="2">star</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Although insect endocrinology is one of the oldest and most active branches of insect physiology, its classic general texts are long out of date, while its abundant primary literature provides little biological context in which to make sense of the discipline as a whole. In this book, H. Frederik Nijhout's goal is to provide a complete, concise, and up-to-date source for students and nonspecialists seeking an overview of the dynamic and wide-ranging science that insect endocrinology has become since its beginnings nearly eighty years ago in the study of insect metamorphosis. The author offers a comprehensive survey of the many roles that hormones play in the biology of insects. Among the topics discussed are the control of molting, metamorphosis, reproduction, caste determination in social insects, diapause, migration, carbohydrate and lipid metabolism, diuresis, and behavior. The account features a summary of the most current and accurate thinking on the complex roles of ecdysone and juvenile hormone in the control of metamorphosis, a process still misunderstood and misrepresented in biological textbooks and many professional reviews. Throughout, the book's emphasis is on the biology of the organism and the ways in which physiological and developmental regulatory mechanisms are integrated into the insect's life cycle.</subfield></datafield><datafield tag="538" ind1=" " ind2=" "><subfield code="a">Mode of access: Internet via World Wide Web.</subfield></datafield><datafield tag="546" ind1=" " ind2=" "><subfield code="a">In English.</subfield></datafield><datafield tag="588" ind1="0" ind2=" "><subfield code="a">Description based on online resource; title from PDF title page (publisher's Web site, viewed 29. Jul 2022)</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Insect hormones.</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Insects</subfield><subfield code="x">Development.</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Insects</subfield><subfield code="x">Physiology.</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">SCIENCE / Life Sciences / Biology.</subfield><subfield code="2">bisacsh</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Acetyl choline.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Adenylate cyclase.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Ageratum houstonianum.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Aglais urticae.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Allometric constant.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Anastrepa suspensa.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Androgenic hormone.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Apanteles congregatus.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Araschnia levana.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Baculovirus.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Behavioral castes.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Brain hormone.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Butterfly scales.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Byrsotria fumigata.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Caffeine.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Cediopsylla simplex.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Cholecystokinin.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Chromatic adaptation.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Chromatophores.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Cocoon spinning.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Coleoptera.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Critical daylength.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Cryptonephridial system.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Cuticulin.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Dacus.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Developmental hormones.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Developmental switches.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Dipetalogaster maximus.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Ecdysial membrane.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Ecdysial suture.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Ephemeroptera.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">External skeleton.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Frontal ganglion.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Glycogen.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Habrobracon juglandis.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Homeostasis.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Hormone assays.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Hypocerebral ganglion.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Insecticyanin.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Juvabione.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Kinoprene.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Larval differentiation.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Long-day insects.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Magicicada.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Manduca quinquemaculata.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Membracidae.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Metabolism.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Migration.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Myzus persicae.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Neuroblasts.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Neurohemal organ.</subfield></datafield><datafield tag="653" ind1=" " ind2=" "><subfield code="a">Neurotransmitter.</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Title is part of eBook package:</subfield><subfield code="d">De Gruyter</subfield><subfield code="t">Princeton University Press eBook-Package Archive 1927-1999</subfield><subfield code="z">9783110442496</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Title is part of eBook package:</subfield><subfield code="d">De Gruyter</subfield><subfield code="t">Princeton University Press eBook-Package Gap Years</subfield><subfield code="z">9783110784237</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1515/9780691225111?locatt=mode:legacy</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://www.degruyter.com/isbn/9780691225111</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="3">Cover</subfield><subfield code="u">https://www.degruyter.com/document/cover/isbn/9780691225111/original</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">978-3-11-044249-6 Princeton University Press eBook-Package Archive 1927-1999</subfield><subfield code="c">1927</subfield><subfield code="d">1999</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">978-3-11-078423-7 Princeton University Press eBook-Package Gap Years</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">EBA_BACKALL</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">EBA_EBACKALL</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">EBA_EBKALL</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">EBA_EEBKALL</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">EBA_ESTMALL</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">EBA_PPALL</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">EBA_STMALL</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV-deGruyter-alles</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">PDA12STME</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">PDA13ENGE</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">PDA18STMEE</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">PDA5EBK</subfield></datafield></record></collection>