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8by Taylor, Edith L., Taylor, Thomas N., Collinson, James W.Get access
Published in International Journal of Coal Geology (1989)
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10by Hammer, William R., Collinson, James W., Ryan III, William J.Get access
Published in Antarctic Science (1990)
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11by Kitching, James W., Collinson, James W., Elliot, David H., Colbert, Edwin H.Get access
Published in Science (1972)
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