AGARWAL, N.K. GAUTAM, Ashutosh <br/><br/>
RECENT RESEARCHES IN AQUATIC ENVIRONMENT 

 - Delhi  Daya Publishing House, Delhi   1995 
<br/><br/><label>ISBN: </label>81 7035 144 8 
<br/><br/><label>Dewey Class. No.: </label>578.778  / GAU/R