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- [5] INITIAL SR87-SR86 RATIOS IN MESOZOIC VOLCANIC-ROCKS OF CENTRAL ANDES TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1974, 55 (04): : 475 - 475
- [8] SR-87/SR86 RATIOS OF VOLCANIC ROCKS ON AND NEAR COLORADO PLATEAU TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1970, 51 (04): : 444 - +
- [9] SR-87/SR-86 RATIOS OF SNAKE RIVER PLAIN BASALTS TRANSACTIONS-AMERICAN GEOPHYSICAL UNION, 1970, 51 (04): : 444 - &