000			00335nam a2200133Ia 4500
008			140317s9999 xx 000 0 und d
082			_a333.73
100			_aDergne,H.E.
245			_aDesertification of Arid lands.
260			_aSwitzerland _bHarwood academic press _c1983
300			_a242
653			_aArid lands
942			_2ddc _cBK
999			_c10233 _d10233