000 00326 am a2200121 a 4500
100 1 _aShull, W.E., Holm, G.C.
245 1 _aExternal parasites of cattle
260 _aMoscow
_c1944
300 _a1-4 p.
942 _2udc
_cB
440 _aCattle Idaho Cooperative Extension Service. Extension Circular No. 83
901 _aS51289
999 _c108817
_d108817