Bak, Borge.  x <br/><br/>
Elementary introduction to molecular spectra  x 

 - x 
 - Amesterdam  North- Holland  1962 
 - xi, 144p. 
<br/><br/>x 
<br/><br/><label>ISBN: </label>x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atomic Theory Atomic Theory 
<br/><br/><label>Dewey Class. No.: </label>539.12/BAE