000 00265 a2200121 4500
080 _a576.858
_bS 653 V
245 1 _aViruses
_cby K.M. Smith
260 _aLondon
_c1962
650 _aViruses
100 1 _aSmith, K.M.
_d
300 _a134 p. & 16 pls.
901 _a71866
999 _c31498
_d31498