Multiplicative and fractional strategies when journals are assigned to several subfields. - Neus Herranz; Javier Ruiz-Castillo (J. Assoc. Inf. Sci. Technol., 2012)

Sub-field normalization in the multiplicative case: Average-based citation indicators. - Neus Herranz; Javier Ruiz-Castillo (J. Informetrics, 2012)

The end of the "European Paradox". - Neus Herranz; Javier Ruiz-Castillo (Scientometrics, 2013)

The effect on citation inequality of differences in citation practices at the web of science subject category level. - Juan A. Crespo; Neus Herranz; Yunrong Li; Javier Ruiz-Castillo (J. Assoc. Inf. Sci. Technol., 2014)