000 00293 a2200133 4500
080 _a632.8
_bS 653 P
245 1 _aPlant viruses
_cby K.M. Smith
250 _a3rd edn.
260 _aLondon
_c1960
650 _aViruses
100 1 _aSmith, K.M.
_d
300 _a209 p. & 8 pls.
901 _a66677
999 _c46454
_d46454