Late Pliocene-Early Pleistocene ecologic changes in the Arctic Ocean Borderland /
Repenning, Charles Albert,1922-
Brouwers, Elisabeth M.
Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey,
1992.
Includes bibliographical references (p. 34-37).
Paleoecology