Collin, P. H. <br/><br/>
Dictionary of Ecology and the Environment 

 - New Delhi  Universal Book Stall  1994 
 - 197 
<br/><br/><label>ISBN: </label>9788185392943 
<br/><br/><label>Publisher. No.: </label> Premier Book Shop 
<br/><br/><label>Subjects--Personal Names: </label> Environmental Science 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science