1
Published: 2003.
Superior document: IFLA Publications, 106
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2
Published: [2015]
Superior document: Title is part of eBook package: De Gruyter DGBA Backlist Complete English Language 2000-2014 PART1
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3
Published: [2013];, [1993]
Superior document: Title is part of eBook package: De Gruyter DGBA Library Information Science 1990 - 1999
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