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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 Ver registro
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