000 00292nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aDas NR
245 0 _aTillage and Crop Production
260 _bScientific
260 _c2011
365 _b725.00
650 _aAgronomy
942 _cBK
999 _c252041
_d252041