000 00487nam a2200205Ia 4500
008 150909s9999 xx 000 0 und d
041 _aEnglish
082 _a630
082 _bCHA/CR
100 _aChapman S R
100 _eAuthor
245 _aCrop production:principles and practice
260 _aSan Fransisco
260 _bW H Freeman and Company
260 _c1976
300 _a566 Pages
365 _aCHA/CR
650 _aField crop
942 _cBK
999 _c229889
_d229889