The top quark, heavy flavor physics and symmetry breaking proceedings of the XXIII International Meeting on Fundamental Physics, Comillas, Santander, Spain, 22-26 May 1995 - Rodrigo, T.; Ruiz, A. (World Scientific, 1996)
Title from PDF title page (viewed March 10, 2015). - "The XXIII International meeting on Fundamental Physics was held in Comillas (Santander, Spain) from May 22-26, 1995"--Page v