Sreeraj V <br/><br/>
Toxic effects  of heavy metals on the activity pattern of selected enzymes in the haemolymph of indoplanorbis exustus 

 - Kochi  School of environmental studies  CUSAT  1994 
 - 23p. 
<br/><br/><label>Dewey Class. No.: </label>45:94  / SRE