Vegetational changes in western Illinois during the onset of Late Wisconsinan glaciation
Baker, R. G. ; Sullivan, A. E. ; Hallberg, G. R. ; Horton, D. G.
Ecology (Durham), 1989-10, Vol.70 (5), p.1363-1376 [Periódico revisado por pares]Washington, DC: The Ecological Society of America
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