000 00492nam a2200217Ia 4500
008 180514s9999||||xx |||||||||||||| ||und||
082 _a633/M3631P
084 _aDDC
100 _aWarren H. Leonard
245 0 _aPrinciples of Field Crop Production
260 _aAmerica
260 _bThe Macmillan
260 _c1967
300 _av,1044
650 _aProduction
942 _cBook
999 _c11003
_d11003