000 00333nam a2200145Ia 4500
082 _a630.1
_bGAF
100 _aGagg J C
_956461
245 _aFarms and farming
_cJ.C. Gagg
260 _aOxford:
_bBlackwell,
_c1975.
300 _a60p.
546 _aeng
650 _aAgriculture
_9164991
700 _aGagg, J .C.
_958618
942 _cBK
999 _c14655
_d14655