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]
@article{LeydesdorffWB14,
title = {The European Union, China, and the United States in the top-1% and top-10% layers of most-frequently cited publications: Competition and collaborations},
author = {Loet Leydesdorff and Caroline S. Wagner and Lutz Bornmann},
year = {2014},
doi = {10.1016/j.joi.2014.05.002},
url = {http://dx.doi.org/10.1016/j.joi.2014.05.002},
researchr = {https://researchr.org/publication/LeydesdorffWB14},
cites = {0},
citedby = {0},
journal = {J. Informetrics},
volume = {8},
number = {3},
pages = {606-617},
}