Yazar
r a pullan
6 cilt bulundu.
Cilt sonuçları
The soils, soil landscapes and geomorphological evolution of a metasedimentary area in northern Nigeria
R. A. Pullan · University of Liverpool (Department of Geography)
144 sayfa · 1970
Geomorphology / Soils
The soils of the Kirawa area, North East State, Nigeria
R. A. Pullan · Institute for Agricultural Research, Samaru Ahmadu Bello University
31 sayfa · 1969
Soil surveys / Soils