by H.L. Shantz and C.F. Marbut ; with a section on the land classification of Africa by the joint authors, and a note on a rainfall map of Africa by J.B. KincerPublished jointly by the National Research Council and the American Geographical Society1923
全国の図書館
- 件名Botany -- Africa -- Ecology Agriculture -- Africa Soils -...
- 件名（識別子）Botany -- Africa -- Ecology Agriculture -- Africa Soils -...