On the fossil Cycadeæ in general, and especially on those which are found in Silesia
Göppert, H. R. (Johann Heinrich Robert), 1800-1884
Article
1845
The Annals and magazine of natural history; zoology, botany, and geology
15
442--444
BioStor
London Taylor and Francis, Ltd
BioStor: https://biostor.org/reference/94989 DOI: https://doi.org/10.1080/037454809495369
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