Sen, Pranab Kumar <br/><br/>
Reference and truth 

 - 
 -  New Delhi, ICPR  1991 
 - XX+238 
<br/><br/> 10530 
<br/><br/><label>ISBN: </label> 175 
<br/><br/><label>Dewey Class. No.: </label>121  / SEN-P