Unknown Author
Richard C. Selley
P. Mann
Ann M. Anderson
Symposium on the Post-Cambrian Sedimentary Coastal Basins of West Africa Delhi 1964.
Betty M. Miller
A. A. Makhnach
T. S. Dyman
British Geological Survey
Augusto José Pedreira
Vladimir Nikolaevich Kholodov
Tandon, S. K.
E. A. Baskov