000 00302 am a2200121 a 4500
100 1 _aSammis, J.L.
245 1 _aStory of the babcock test
260 _aMadison
_c1924
300 _a1-23 p,
942 _2udc
_cB
440 _aWisconsin Agriculture Extension Service. Circular No. 172
901 _aS51604
999 _c109235
_d109235