Diwan, A.P. <br/><br/>
Ecology of freshwater organisms and insects   
by A P Diwan, D K Arora 
 - New Delhi  ANMOL  1995 
 - v, 399p 
 - Recent advances in environmental ecology series-13 .
<br/><br/><label>ISBN: </label>8174881220 
<br/><br/><label>Dewey Class. No.: </label>574.52632  / N95