Gupta, S L, et al. <br/><br/>
Elements of spectroscopy 

 - 6 
 -  Pragati Prakashan, Meerut  1987 
 - 603 
 - cc-539.744 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Molecular spectroscopy; Nuclear structure; Atomic and Nuclear physics
<br/><br/><label>Dewey Class. No.: </label>PG 539.744  GUP-E6