Der Landschaftswandel der Sahara im Klimageschehen der Erde

Butzer, Karl W.

Desert and River in Nubia. Geomorphology and Prehistoric Environments at the Aswan Reservoir

With Contributions by Egbert G. Leigh, Jr., Madeleine Van Campo, and Bruce G. Gladfelter

Butzer, Karl W., Hansen, Carl L.
1968