000 00302nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a338.43:633
_bRAE
100 _aRAE, Allen N
245 0 _aCrop management economics.
260 _aLondon
_bLockwood
_c1977
650 _aCrop management
942 _cBK
999 _c25150
_d25150