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Science (New York, N.Y.)|July 2, 1976
How old are the eukaryotes?J W Schopf, D Z Oehler
Science (New York, N.Y.)|July 27, 1979
Algal fossils from a late precambrian, hypersaline lagoonD Z Oehler, J H Oehler, A J Stewart
Science (New York, N.Y.)|March 17, 1972
Carbon isotopic studies of organic matter in precambrian rocksD Z Oehler, J W Schopf, K A Kvenvolden
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