TY  - BOOK
AU  - Biswas, S. B.
AU  - Biswas, Amita.
TI  - An introduction to viruses
SN  - 0706904117
U1  - 616.9101 
PY  - 1976///
CY  - Newdelhi
PB  - Vikas
KW  - Viruses
ER  -