TY - BOOK AU - Dixon,John A.[et al] AU - James,David E. AU - Sherman,Paul B. TI - The Economics of DryLand Management SN - 1853830526 U1 - 333.73 21 PY - 1989/// CY - London PB - Earthscan Publication KW - dryland,management,economics N1 - includes reference and index ER -