00662cam a22002174a 450000100060000000300110000600500170001700800410003404000270007504100080010204400080011008000120011865000150013070000190014511100660016424501150023026000540034530000190039965000130041865500130043138308AR-SsjUBGM20251206163636.0250720s1972 xxc 000 0 eng d aAR-SsjUBGMcAR-SsjUBGM0 aeng axxc aH 061.3 4aGeología1 aGill, James E.2 aInternational Geological Congressn(24th :d1972 :cMontreal)10aXXIV International Geological Congress :bThird Circular. March, 1972 = XXIV Congres Geologique International. aOntario :bHarpell's Press Co-opérative,c1972. a59 p. ;c23 cm 4aCircular 4aActaconf