Biological monitoring of the state of the environment  
/ International Unions of Biological Sciences  
 - India:   International Unions of Biological Sciences,   1985 
 - xvi, 286p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Subjects--Index Terms: </label>Biological  
<br/><br/><label>Universal Decimal Class. No.: </label>504.064.36:57](082.2)  / M5