Joan Crespo Fernández

The prevalence of power laws in the citations to scientific papers

Pedro Albarrán, Javier Ruiz-Castillo Ucelay, P. Albarrán, 2009 .

A comparison of the scientific performance of the U.S. and the European Union at the turn of the XXI century

Pedro Albarrán, Javier Ruiz-Castillo, Ignacio Ortuño, 2009 .