Sharma P D <br/><br/>
Environmental microbiology. 

 - New Delhi  Narosa Publishing House      2005 
 - ix,372p  cm. 
<br/><br/><label>Standard No.: </label>68105 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>G:424-55, P5