Cowan, M.K <br/><br/>
Microbiology  a system approach 
Marjorie kelly Cowan. 
 - 3rd. 
 - New delhi  McGraw-Hill  2012 
 - xxxi, 785p.:  ill.: Pbk.; 
<br/><br/><label>ISBN: </label>9789339221782 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microbiology