TY  - BOOK
ED  - Carlile, M.J.
ED  - Skehel, J.J. 
TI  - Evolution in the microbial world
T2  - Society for general Microbiology : Symposium; v.24
U1  - 576.1 
PY  - 1974///
CY  - London
PB  - Cambridge University Press
ER  -