Hammen, Thomas van der

A palynological study of the tertiary and upper cretaceous of British Guiana / by T. van der Hammen and T.A Wymstra .- - Leiden : Geologischen Mineralogisch Institut des Rujksuniversiteit, 1964. - p. 183-241 and 7 p. of plates : ill., diagrs., graphs. maps, photos, ports.

Offprint from: Leidse geologische mededelingen, 1964 ; p. 183-241.

Bibliography: p. 240-241.


Paletobtany - --British Guiana --Tertiary.
Paleobotany - --British Guiana --Cretaceous.
Geology - --British Guiana.

QE926 H3