Vegetation map of Africa south of the tropic of Cancer. - Carte de la végétation de l'Afrique ... /
Aubréville, A.(André),1897-1982.
Duvigneaud, Paul.
Keay, R. W. J.(Ronald William John)
London,
1958.
Explanatory notes by R.W.J. Keay. Fr. & Eng.