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F. Tuinstra, Jack L. Koenig · The Journal of Chemical Physics · 1970 · 10.6K citations

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Microorganisms from the Gunflint Chert

Elso S. Barghoorn, S. A. Tyler · Science · 1965 · 707 citations

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J. William Schopf, Bonnie Packer · Science · 1987 · 644 citations

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J. William Schopf · Lethaia · 1988 · 591 citations

Natural Sciences, Earth Sciences, Geology +14