000 00408 a2200133 4500
080 _a632.38:616-078
_bB 173 S
245 1 _aSerological tests for the identification of plant viruses
_cby E.M. Ball
260 _aMinnesota
_bAmerican Phytopathological Society Plant Virology Committee
_c1974
650 _aSerological
650 _aPlant Viruses
100 1 _aBall, E.M.
_d
300 _a31 p.
901 _a144920
999 _c83050
_d83050