Ecology and politics : environmental stress and security in Africa
Ornäs, Anders Hjort af |
Salih, M. A. Mohamed |
Africa
Vleesproductie in Afrika
1971
Brinckman, W. L. |
Deforestation trends in tropical Africa
Barnes, R. F. W |
Karibuni Afrika : über das Leben afrikanischer Tiere und die Bedeutung der Wildschutzgebiete
1976
Hagen, Horst |
Photographic documentatio of vegetational changes in Africa over a third of a century, 1918-1957
1958
Shantz, Homer L. |
Turner, B. L. (Billie Lee) |
In brightest Africa
1924
Akeley, Carl Ethan |
Managing protected areas in Africa
1992
Lusigi, Walter J. |
Afrikanishe Mangrovelandschaften
1941
Grewe, F. |