000 00293nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aDILTRI (Frank M ) Ed.
245 0 _aSystems approach to conservation tillage
260 _cLewis Publishers
365 _b0
650 _aNIL
942 _cBK
999 _c94808
_d94808