00370nam a2200121 4500 Interactions of desertification and climate Martin A. J. Williams and Robert C.Balling Williams, Martin A.J Balling C. Robert London Arnold c1996 xv,210p.:col.,maps.,ill.; 24cm. 034063010 551.415 WIL 0 0 0 0 GEYA NEHU NEHU 2011-11-24 0 551.415 WIL B5962 2011-11-24 00:00:00 2011-11-24 BK 3512 3512