000 00298nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a579.2 BIS/A
100 _aBISWAS S B
245 3 _aAN INTRODUCTION TO VIRUSES
260 _bVIKAS PUBLISHING HOUSE PVTLTD
_c1976
300 _a292
942 _cTB
999 _c33365
_d33365