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 |