000			00309nam a2200133Ia 4500
008			130223s9999 xx 000 0 und d
245			_aSwine production
260			_aWashington
260			_c1961
300			_a1-32 : p.
440			_aUnited States Department of Ag
901			_pS2571
942			_cB _2udc
999			_c135185 _d135185