Does playing several competitions influence a team's league performance? Evidence from Spanish professional football. - Andrés J. Picazo-Tadeo; Francisco González-Gómez (Central Eur. J. Oper. Res., 2010)

Assessing eco-efficiency with directional distance functions. - Andrés J. Picazo-Tadeo; Mercedes Beltrán-Esteve; José A. Gómez-Limón (Eur. J. Oper. Res., 2012)