Symposium on Palynology of the Late Cretaceous and Early Tertiary
Symposium on Palynology of the Late Cretaceous and Early Tertiary (1966 San Francisco, Calif.) Robert M Kosanke (Robert Max); Aureal T Cross; Geological Society of America. Coal Division
Boulder, Colo. Geological Society of America c1970
Available at IGC - Instituto de Geociências (561.13 S989L 1966.s )(GetIt)