Townes, Charles H. <br/><br/>
Microwave spectroscopy / 
C. H. Townes, A. L. Schawlow 
 - New York :  Dover Pub. Inc.,  1975 
 - xviii, 698 p. :  ill. ;  21 cm. 
<br/><br/> 'An unabridged and corrected republication of the work first published in 1955 by the McGraw-Hill Book Company.'  Includes indexes. 
<br/><br/>Bibliography: p. 649-682. 
<br/><br/><label>ISBN: </label>048661798X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microwave spectroscopy<br/>Gases--Spectra