000 00307nam a2200133Ia 4500
008 161121s9999 xx 000 0 und d
100 _aFOSTER. A. B
245 0 _aApproved practices in soil conservation
260 _cOxford & IBH Publs.
365 _b0
650 _aNIL
652 _a#N/A
942 _cBK
999 _c33485
_d33485