R. A. Pullan
The soils, soil landscapes and geomorphological evolution of a metasedimentary area in northern Nigeria
A first check list of published maps of northern Rhodesia, 1890-1949
A first check list of the published maps of Northern Rhodesia, 1890-1949
The recent geomorphological evolution of the south central part of the Chad Basin.
The soils of the Kirawa area, North East State, Nigeria