Atoms and dn-Icons in perturbation fields/ 
Rakshit S.C 
 - 1st ed. 
 - Kolkata:  Levent books,  2010. 
 - 271 
<br/><br/><label>ISBN: </label>9789380663043 
<br/><br/><label>Dewey Class. No.: </label>541.24  / RAK/A