000			00359nam a2200133Ia 4500
008			161229s9999 xx 000 0 und d
020			_a0851988008
082			_a636 BEN/LI
245			_aLivestock productivity enchancers: an economic assessment
260			_bCAB International _aU K _c1993
300			_aiv, 162
700			_aBent, Martin,ed.
942			_cBK
999			_c149326 _d149326