TY  - BOOK
AU  - Ryan, Frank
TI  - Virus X : Tracking the new killer plagues out of the present
SN  - 0-316-76383-7
U1  -  614.4 
PY  - 1997///
CY  - Boston,USA
PB  - Little, Brown and Company
KW  - Commmunicable diseases-Epidemiology
ER  -