Author:
Stainforth,R.M.
Year:
1966
Title:
Occurrence of pollen and spores in the Roraima Formation of Venezuela and British Guiana
Reference:
Stainforth,R.M. (1966) Occurrence of pollen and spores in the Roraima Formation of Venezuela and British Guiana Nature Vol. 210 # 5033 P. 292- 294
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