-
German National Library of Science and Technology
197
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Australian National Data Service (ANDS)
130
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California Digital Library
109
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British Library
105
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Institute for Scientific and Technical Information
97
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Russian Agency for Digital Standardization
96
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GESIS - Leibniz Institute for the Social Sciences
91
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ETH Zurich
77
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MTA Könyvtára
76
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DataCite Demo Provider
69
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Conference of Italian University Rectors (CRUI2011)
53
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National Research Council Canada
52
-
German National Library of Medicine
52
-
TU Delft Library
31
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Office of Scientific and Technical Information (OSTI), US Department of Energy
31