Beeby, Alan. <br/><br/>
First ecology : ecological principles and environmental issues /  
Alan Beeby and Anne-Marrie Brennan. 
 - 3rd ed /   . 
 - New Delhi :   Oxford University Press ,   2008. 
 - xxix,403p. :   ills.,maps.,picts ;   22cm .  
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> Rs. 295.00 (Pb) 
<br/><br/><label>Subjects--Index Terms: </label>ECOLOGY 
<br/><br/><label>Dewey Class. No.: </label>577  / BEE/F