000 00382 a2200145 4500
020 _a0851988008
082 _a636.08
_bLIV
090 _c20532
_d31837
100 _aBent, Martin
_eed.
245 _aLivestock productivity enhancers
_ban economics assessment
260 _aWallingford
_bCABI
_c1993
_g1993
300 _ax,162p.
_c24cm
650 _aLivestock Productivity
942 _cSR
999 _c48142
_d48142