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6by Green, J. W., Knoll, A. H., Golubic, S., Swett, K.Get access
Published in American Journal of Botany (1987)
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7by Green, J. W., Knoll, A. H., Golubic, S., Swett, K.Get access
Published in American Journal of Botany (1987)
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16by Bridgwater, D., Allaart, J. H., Schopf, J. W., Klein, C., Walter, M. R., Barghoorn, E. S., Strother, P., Knoll, A. H., Gorman, B. E.Get access
Published in Nature (1981)
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17by Bridgwater, D., Allaart, J. H., Schopf, J. W., Walter, M. R., Klein, C., Barghoorn, E. S., Strother, P., Knoll, A. H., Gorman, B. E.Get access
Published 1981
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