General and physiological features of the vegetation of the more arid portions of Southern Africa, with notes on the climatic environment - Cannon, William Austin 1870-1958 (Washington : Carnegie Institution of Washington, 1924)
Keywords: BOTANICA -- AFRICA DEL SUR; ECOLOGIA VEGETAL -- AFRICA DEL SUR; FLORA DE DESIERTOS -- AFRICA DEL SUR; VEGETACION Y CLIMA