TY  - BOOK
AU  - Cowan,Marjorie K.
TI  - Microbiology: : a systems approach 
SN  - 0-07-131487-3
AV  - QR41.2.C69 2009 
PY  - 2009///
CY  - New York
PB  - : McGraw-Hill
KW  - Microbiology
N1  - Includes index
ER  -