000 00304nam a2200133Ia 4500
008 151018s9999 xx 000 0 und d
020 _a9251001464
080 _aF631.5
_bCRO
245 _aCrop farming
260 _c1976
300 _a29 p.
500 _aBetter farming series no- 7
942 _cFAO
_2udc
999 _c25825
_d25825