000			00723nam a2200229Ia 4500
008			130910s9999 xx 000 0 und d
020			_a0521340799
041			_aeng
082			_221st ed. _a333.7313 _bLAN
245			_aLand degradation : _bproblems and policies _cedited by Anthony Chisholm and Robert Dumsday
260			_aCambridge : _bCambridge University Press , _c1987
300			_axix, 368 p.
300			_etables; figures
490			_aCentre for resource and environment studies;
504			_aBibliography: p. 369-92 includes index.
653			_aDumsday _aRobert, ed.
653			_aLand degradation
653			_aLand use
653			_aSoil degradation
700			_aChisholm, Anthony, ed.
942			_cEN _2ddc
999			_c3532 _d3532