Braj Nandan Prasad <br/><br/>
Algal indicators of water pollutions 
by Braj Nandan Prasad, Yashpal Singh. 
 - New Delhi  Bishen Singh Mahendra Pal Singh  1996 
 - vi,263p.; 22cm. 
<br/><br/><label>ISBN: </label>812110128x. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water pollution Algal booms. 
<br/><br/><label>Dewey Class. No.: </label>363.7394  / B78A