TY  - BOOK
AU  - Biswas, S B (Samya Brata)
AU  - Biswas, Amita,
TI  - An introduction to viruses
SN  - 0706925157
U1  - 576.64 
PY  - 1984///
CY  - GHAZIABAD
PB  - Vikas Publication House P Ltd
ER  -