000 00475nam a2200169Ia 4500
008 170101s1993 xx 000 0 und d
082 _a333.731 6 P56W
100 _aPIMENTEL, David
245 0 _aWorld soil erosion and conservation
260 _bCambridge
_c1993
300 _a349p
440 _aCambridge studies in applied ecology and resource management
650 _aSOIL CONSERVATION
653 _aSOIL CONSERVATION
653 _aSOIL EROSION
942 _2ddc
_cB
999 _c113245
_d113245