Botanic expedition to the Sudan in 1938
Drar, Mohammed
Botanic expedition to the Sudan in 1938 - Cairo 1970 - 1-111 p. - Botany Cairo University Herbarium. Publication No. 3 .
Botanic expedition to the Sudan in 1938 - Cairo 1970 - 1-111 p. - Botany Cairo University Herbarium. Publication No. 3 .