00750cam a22002654a 4500 36982 AR-SsjUBGM 20251206162025.0 250720s1942 xxu 000 0 eng d AR-SsjUBGM AR-SsjUBGM eng xxu 561(237.1) Dorf, Erling 40770 Contribution to paleontology : Upper Cretaceous floras of the Rocky Mountain Region. Washington : Carnegie Institution, 1942. 162 p. : il. ; 29 cm Carnegie Inst. Publ 508 Paleontología Cretácico Flora Seriemon 24192 LB cdu idgym 2004-10-01 36982 36982 0 0 cdu 0 0 GM GM 2025-12-06 Compra 01711 0 561(237.1) DOR GM01711 2025-12-06 00:00:00 1 2025-12-06 LB 0 0 cdu 0 0 GM GM 2025-12-06 Compra 01717 0 561(237.1) DOR GM01717 2025-12-06 00:00:00 2 2025-12-06 LB