Upper Cretaceous staminate heads with pollen grains
Krassilov, Valentin A.
Article
1973
Palaeontology
16
41--44
BioStor
English
London, Palaeontological Association, 1957-
BioStor: https://biostor.org/reference/165081
In Copyright. Digitized with the permission of the rights holder.
https://www.biodiversitylibrary.org/permissions/
http://creativecommons.org/licenses/by-nc/3.0/
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