000 00269nam a2200109Ia 4500
008 230108s9999 xx 000 0 und d
245 0 _aInternational Biliography of Croping System - 1973-1974
260 _bICAR
365 _b0.00
650 _aAgronomy
942 _cBK
999 _c244587
_d244587