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1by Rutford, Robert H., Craddock, Campbell, Bastien, Thomas W.Get access
Published in Palaeogeography, Palaeoclimatology, Palaeoecology (1968)
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2by Craddock, Campbell, Bastien, Thomas W., Rutford, Robert H., Anderson, John J.Get access
Published in Science (1965)
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3by Anderson, John J., Bastien, Thomas W., Schmidt, Paul G., Splettstoesser, John F., Craddock, CampbellGet access
Published in Science (1962)
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Article in Journal/Newspaper