Ingraham , John l <br/><br/>
General microbiology 

 - 5 Ed.  
 - New Delhi  Macmillan, pvt ltd  1989 
<br/><br/><label>ISBN: </label>0-333-41768-2 
<br/><br/><label>Dewey Class. No.: </label>576  / ING/GEN