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1Management of vertisols under semi-arid conditions. Proceedings Management of vertisols under semi-arid conditions. Proceedingsby Elliot, C.R. (ed.), International Board for Soil Research and Management, Bangkok (Thailand) eng 27604, Regional Seminar on Management of Vertisols under Semi-Arid Conditions eng 1-6 Dec 1986 1 Nairobi (Kenya)
Published 1986Texto bibliotecaFAO IT