TY - BOOK AU - Strange,L.R.N. TI - Human influences in African pastureland environments : with special reference to the arid and semi-arid pastoral regions of Eastern Africa SN - 9251008744 PY - 1980/// CY - Rome PB - FAO KW - BI-BuBU KW - Pãturage KW - Afrique de l'Est N1 - Index ER -