000 00340 am a2200121 a 4500
100 1 _aRundles, J.C.
245 1 _aMethod of calulating economical balanced rations
260 _aWeahington
_c1918
300 _a1-18 p.
942 _2udc
_cB
440 _aEconomical United States Department of Agriculture. Bulletin No. 637
901 _aS49489
999 _c106008
_d106008