TY  - BOOK
AU  - Cowan M.K.
TI  - Microbio0logy: A system approach
SN  - 9780073522524
AV  - QR 41.2. C6 2012 
PY  - 2012///
CY  - Newyork 
PB  - Mc Graw Hill
KW  - Microbiology
ER  -