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Journal of Informetrics

2010

Page 1. Journal of Informetrics 4 (2010) 431–435 Contents lists available at ScienceDirect Journal of Informetrics journal homepage: www.elsevier.com/locate/joi Rivals for the crown: Reply to Opthof and Leydesdorff Anthony FJ van Raan∗, Thed N. van Leeuwen, Martijn S.

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