TY - BOOK AU - Chleq, Jean-Louis.- TI - Land and Life: Vanishing land and water; Soil and water conservation in dry lands: Jean-Louis Chleq and Hugues Dupriez SN - 033344597X U1 - 631.7 CHL PY - 1988/// CY - Hong Kong PB - Macmilla publishers KW - Africa--Sahel KW - Water-supply engineering KW - Water conservation KW - Arid regions agriculture ER -