TY  - BOOK
AU  - Biswas,S.B., Biswas, Amita
AU  - x
TI  - An introduction to viruses: x
SN  - 0706947304
U1  - 576.64/B621i 
PY  - 1989///
CY  - New Delhi
PB  - Vikas Pub
KW  - Viruses
KW  - Microorganisms
N1  - Index
ER  -