TY  - BOOK
AU  - Crawford, Dorothy H.,
TI  - The invisible enemy: a natural history of viruses 
SN  - 0198503326
AV  - QR364 .C73 2000
U1  - 616/0194 21
PY  - 2000///
CY  - Oxford
PB  - Oxford University Press
KW  - Viruses
KW  - Popular works
KW  - Medical virology
KW  - Ecology
N1  - AJAN; Includes index
ER  -