000 00300nam a22001217a 4500
003 OSt
008 230617b |||||||| |||| 00| 0 eng d
082 _a589.2
_bPP447
100 _aUsher, G.
245 _aAn Introduction to Viruses
260 _aT.T.B.A., Patna
_bAcademic Press
_c1970
942 _2ddc
_cBK
999 _c28245
_d28245