DescripciónTrilateral Agreement Between the USA, Russia and the IAEA for the Verification of Weapon-Origin Fissile Material; Scientific Forum. N 1: Trilateral Agreement betweeen USA, Russia, IAEA with William Richardson and Evgeny Adamov; N 2-5: Riso Serri; N 6-10: Richardson and Adamov; N 11-15: Richardson, Adamov, unknown; N 16-17: Richardson; N 18: Scientific Forum with R. Loosch, Elbaradei, Mougorov; N 19: David Nicholls; N 20: H. Rogner; N 21-23: R. J. Priddle; N 24-27: Mohamed Ben Ahmed; N 28: Scientific Forum general view; N 29-30: Priddle; N 31: Scientific Forum general view; N 32-37: Yannick d'Escatha.