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1.- COMPARISON OF DATES FOR YOUNG BASALTS FROM THE (SUPER 40) AR/ (SUPER 39) AR AND COSMOGENIC HELIUM TECHNIQUES
UNIVERSITY OF ARIZONA, DEPARTMENT OF GEOSCIENCES; TUCSON, AZ; USA; UNITED STATES, 1996
WORKSHOP ON SECULAR VARIATIONS IN PRODUCTION RATES OF COSMOGENIC NUCLIDES ON EARTH
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2.- IMPLICATIONS OF THE LATE EOCENE AGE OF THE CASAMAYORAN FAUNA AT GRAN BARRANCA, PATAGONIA
UNIVERSITY OF OKLAHOMA; NORMAN, OK; USA; UNITED STATES, 1999
ABSTRACTS OF PAPERS; FIFTY-NINTH ANNUAL MEETING, SOCIETY OF VERTEBRATE PALEONTOLOGY
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