Tanganyika. Geological Survey
Stockley, Gordon Murray
Tanganyika. Geological Survey - Dar es Salaam Government Printer 1936-39 - v. 25cm.
Geology
EAF QE327.T3A35 No.213-21
Tanganyika. Geological Survey - Dar es Salaam Government Printer 1936-39 - v. 25cm.
Geology
EAF QE327.T3A35 No.213-21