Year book 2006 / 

 - Allahabad:  The national academy of sciences,India,  2006. 
 - 439p;24cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8885933653 
<br/><br/><label>Dewey Class. No.: </label>030 YEA