Bak, Børge,  1912- <br/><br/>
Elementary introduction to molecular spectra. 

 - 2d, rev. ed. 
 - Amsterdam :  North-Holland Pub. Co.; [sole distributors for U.S.A.: Interscience Publishers, New York]  1962. 
 - 144 p.  il.  23 cm. 
<br/><br/>índice al final del volúmen. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Molecular spectra.
<br/><br/><label>Subjects--Index Terms: </label>Espectros moleculares. 
<br/><br/><label>Universal Decimal Class. No.: </label>535.338.4