Williams, W. Ewart. <br/><br/>
Applications of interferometry / 
W. Ewart Williams. 
 - 4th ed. 
 - London :  Methuen,  c 1954. 
 - 104 p. ;  17 cm. 
<br/><br/> Includes index. 
<br/><br/>323  323 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spectroscopy
<br/><br/><label>Dewey Class. No.: </label>535.8 / W676a