Bhatia, A L <br/><br/>
Text book of Environmental Biology / 
A L Bhatia. 
 - New Delhi:  I K International,  2010 [reprinted 2013]. 
 - xii, 418 p.:  illustrations;  25 cm. 
<br/><br/> State Grant 2016-2017 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9788188237876 
<br/><br/><label>Subjects--Index Terms: </label>ECOLOGY 
<br/><br/><label>Dewey Class. No.: </label>577  / BHA/T