000 00295 a2200121 4500
080 _a632.8
_bS 653 T
245 1 _aTextbook of plant virus diseases
_cby Kenneth M. Smith
260 _aBoston
_c1957
650 _aViruses
100 1 _aSmith, Kenneth M.
_d
300 _avii, 652 p.
901 _a60876
999 _c46459
_d46459