Williams, W.Ewart. <br/><br/>
Applications of Interferometry /  Textual Documents 
W.Ewart Williams. 
 - 4th ed. / 
 - London :  Metheen & Co Ltd ,  1950. 
 - 104p. :  ill ;  18cm . 
<br/><br/><label>Subjects--Index Terms: </label>Interferometry G-Physics 
<br/><br/><label>Dewey Class. No.: </label>535.4  / W 676 Ap