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Contributions to Our Knowledge of American Carboniferous Floras. IX. Some Petrified Seeds from Iowa
Ellen M. Kern and Henry N. AndrewsVolume:
33
Language:
english
Journal:
Annals of the Missouri Botanical Garden
DOI:
10.2307/2394452
Date:
September, 1946
File:
PDF, 1.96 MB
english, 1946