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069 _a 87912284
082 _a338.1/0941 s
_a338.1/764/00941
090 0 0 _aVF
_b338.176/400941/R544p
100 1 0 _aRidgeon, R. F.
245 1 0 _aPig management scheme results for 1986 /
_cR.F. Ridgeon.
260 0 0 _aCambridge :
_bAgricultural Economics Unit, Dept. of Land Economy,
_c[1986].
300 _a36 p.
440 0 _aAgricultural enterprise studies in England and Wales economic report ;
_vno. 98
500 _aCover title.
650 0 _aSwine
_xEconomic aspects
_zGreat Britain
_xStatistics.
710 2 0 _aUniversity of Cambridge.
_cAgricultural Economics Unit.
942 _2ddc
994 0 1 _aT1001 059 683
999 _c47380
_d47380