000 00316 am a2200121 a 4500
100 1 _a
_d
245 1 _aBlack leg vaccine
260 _aVirginia
_c1898
300 _a69-77 p.
942 _2udc
_cB
440 _aVirginia Agricultural Experiment Station. Bulletin No. 90, New Series Volume VII. No. 7
901 _aS47842
999 _c103832
_d103832