000 00508nam a22002177a 4500
015 _a3606
020 _a0521087384
041 _a1
080 _a631.15
_bBAR
100 _aBarnard, C.S.
100 _aNix, J.S.
245 _aFarm Planning and Control
260 _aCambridge University Press
_bLondon
_c1973
300 _a549p.
_bfig.
650 _aAgriculture
852 _a4L5-2
999 _c4160
_d4160