000 00339nam a2200133Ia 4500
008 211214s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aAlderfer, R B
245 0 _aSoil conservation.
260 _bPRENTICE HALL
_aENGLAND
_c1957
300 _a571 p p.
653 _aAGRICULTURE
942 _c1
999 _c55496
_d55496