000 00308 am a2200121 a 4500
100 1 _aJones, James R.
245 1 _aWhy lease sows?
260 _aRaleigh
_c1971
300 _a1-6 p.
942 _2udc
_cB
440 _aNorth Carolina Agricultural Extension Service. Extension Folder No. 290
901 _aS19406
999 _c114274
_d114274