Transmission and Scanning Electron Microscopy of some fossil pollen from the Upper Cretaceous deposits of the Western Unted States
Reference:
Leffingwell,H.A. et al. (1971)
Transmission and Scanning Electron Microscopy of some fossil pollen from the Upper Cretaceous deposits of the Western Unted States International Palynological Conference,3rd,Abstracts,(Novosibirsk)
P.