000 00526nam a2200193Ia 4500
999 _c30760
_d30760
001 30637
003 PK-LaUMT
005 20220923123832.0
008 140416s9999 xx 000 0 und d
020 _a92-5-102154-6
040 _cPK-LaUMT
082 _aW 631.4
_bURG-T
100 _aPaul W. Unger
245 _aTillage systems for soil and water conservation
_cPaul W. Unger
260 _aRome:
_bFood and Agriculture Organization of the United Na,
_c1984
300 _a278 p.
546 _aEN
942 _cWEEDED OUT
_2ddc