Gautam, Ashutosh  <br/><br/>
Aquatic environment  

 - New Delhi:   Ashish Publishing House,   1992 
 - 144p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment 
<br/><br/><label>Subjects--Index Terms: </label>Pollution  
<br/><br/><label>Universal Decimal Class. No.: </label>574.6  / N2