00692nam a2200205 4500 20260520005943.0 260224s xxu 060-665.5 W938 1991 Kontorovitch, Aleksej E. 28283 Institute of Geology (Rusia) 28286 World Petroleum Congress (13th. : 1991 : Buenos Aires) 7474 The earth's upper proterozoic deposits -a new prospective level for petroleum exploration 12/09/06 ; 30/07/2003 3 p. Institute of Geology (Rusia) 28286 Kontorovitch, Aleksej E. 28283 CONGTP 155352 155352 0 0 0 0 223171 BAAB BAAB 060-665.5 W938 1991 2026-03-05 200007243 0 060-665.5 W938 1991 200007243 2026-03-05 00:49:53 2026-03-05 CONGTP