The European Union, China, and the United States in the top-1% and top-10% layers of most-frequently cited publications: Competition and collaborations

Loet Leydesdorff, Caroline S. Wagner, Lutz Bornmann. The European Union, China, and the United States in the top-1% and top-10% layers of most-frequently cited publications: Competition and collaborations. J. Informetrics, 8(3):606-617, 2014. [doi]

Abstract

Abstract is missing.