21
Published: 2009;, 2009.
22
Published: [2004]
Links: Get full text; Get full text; Cover
23
Published: [2011]
Superior document: Title is part of eBook package: De Gruyter DGBA Mathematics - 1990 - 1999
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24
Published: [2019]
Superior document: Title is part of eBook package: De Gruyter DGBA Social Sciences - <1990
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25
Published: 1984;, [2019]
26
Published: [2019]
Superior document: Title is part of eBook package: De Gruyter DGBA Reference Works <1990
Links: Get full text; Get full text; Cover