Johnson, Raynor Carey. <br/><br/>
An introduction to molecular spectra / 
Raynor Carey Johnson. 
 - London :  Methuen ,  [1949] 
 - xiii, 296 p.:  diagrs. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spectrum analysis.<br/>Molecules.
<br/><br/><label>Dewey Class. No.: </label>539.1