000 00308nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aUSDA
245 2 _aA Manual on Conservation of Soil & Water
260 _bOxford & IBH
260 _c1984
365 _b20.00
650 _aSoil science
942 _cBK
999 _c237753
_d237753