The fragment molecular orbital method: practical applications to large molecular / 

 - Boca Ratan:  CRC press,  2009. 
 - 272p;25cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>1420078480 
<br/><br/><label>Dewey Class. No.: </label>541.22 FRA