000 00349nam a2200145Ia 4500
008 180613s9999||||xx |||||||||||||| ||und||
020 _a521226589
041 _aen
082 _a658.9
100 _aBARNARD, C.S
245 0 _aFarm planning and control
260 _aLondon
_bCambridge university press
_c1973
300 _aix,600p;in
942 _cSR
999 _c76547
_d76547