000 00339nam a2200145Ia 4500
008 140317s9999 xx 000 0 und d
082 _a631.4
100 _aRauschkilb,Roy S.
245 _aLand degradation.
260 _aRome
_bF.A.O.
_c1971
300 _a105
653 _aLand Degradation
653 _aSoil Science
942 _2ddc
_cBK
999 _c10750
_d10750