Proceedings of the VII Congress of the International Association for Quaternary Research
National Academy of Sciences
Editor, H. E. Wright, Jr
National Academy of Sciences 1969 Proceedings of the VII Congress of the International Association for Quaternary Research v. 16
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Edited by C. Bertrand Schultz and John C. Frye
University of Nebraska Press 1968 Proceedings of the VII Congress of the International Association for Quaternary Research V. 12
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