Johnson, Raynor Carey. <br/><br/>
An introduction to molecular spectra. 

 - London,  Methuen  [1949] 
 - xiii, 296 p.  diagrs.  23 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Spectrum analysis  Molecules 
<br/><br/><label>Dewey Class. No.: </label>535.84  / JOH