000 00310nam a2200109Ia 4500
008 220411s9999 xx 000 0 und d
040 _cNVPILib
100 _aStephen R. Chapman & Lark P. Carter
245 0 _aCrop Production: principles and practices
260 _bW.H. Freeman and Company
_c1976
942 _cBook
999 _c19601
_d19601