Biblioteca - Ingemmet

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Frederiksen, Norman O.

Stratigraphic, paleoclimatic, and paleobiogeographic significance of Tertiary sporomorphs from Massachusetts - Washington, D.C. U.S. Geological Survey 1984 - pp. 1-25 láms.

Subjects--Topical Terms:
POLEN Y ESPORAS
TERCIARIO

Subjects--Geographic Terms:
ESTADOS UNIDOS