1 CPS (FR) PICO/01-051 1 CRG 931030 1 CRG 970442 1 CRG970442 1 CRP/POL04-01 - CRP/POL04-01 - HIPERGEOS II (FR) PICO/01-051 1 CSIR-23-05 2 CSOB - 362 1 CT 93:0053 4 CT 94:0237