000 00293nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aAcquaah
245 0 _aPrinciples of crop production theory techniques and technology
260 _bNil
260 _c0
365 _b295.00
942 _cBK
999 _c141788
_d141788