000 00262nam a22001097a 4500
082 _a579.2
_bBIS.V
100 _aBiswas, S B
_aBiswas, Amita
245 _aIntroduction to viruses
250 _a3
260 _aNew Delhi
_bVikas Publishing house
_c1984
942 _cBK
999 _c212884
_d212884