Collaborations span 1,553 kilometres
Robert J. W. Tijssen (),
Ludo Waltman and
Nees Jan van Eck
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Robert J. W. Tijssen: Centre for Science and Technology Studies (CWTS), Leiden University
Ludo Waltman: Centre for Science and Technology Studies (CWTS), Leiden University
Nees Jan van Eck: Centre for Science and Technology Studies (CWTS), Leiden University
Nature, 2011, vol. 473, issue 7346, 154-154
Date: 2011
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DOI: 10.1038/473154a
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