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6by Ellwood, Brooks B., Ledbetter, Michael T.Get access
Published in Earth and Planetary Science Letters (1977)
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8by Ledbetter, Michael T., Bork, Kenneth R.Get access
Published in Deep Sea Research Part II: Topical Studies in Oceanography (1993)
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9by Ledbetter, Michael T., Ciesielski, Paul F.Get access
Published in Palaeogeography, Palaeoclimatology, Palaeoecology (1986)
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16by Watkins, Norman D., Keany, John, Ledbetter, Michael T., Huang, Ter-ChienGet access
Published in Science (1974)
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