Some aspects of citation indexes in Spain: A comparative analysis. - Julia Osca Lluch; Pedro Blesa; José Manuel Barrueco Cruz; Elena Velasco; Thomas Krichel (Scientometrics, 2008)

Co-authorship and citation networks in Spanish history of science research. - Julia Osca Lluch; Elena Velasco; Mayte López; Julia Haba (Scientometrics, 2009)