James, R. W. (Reginald William), b. 1891.  James, R. W. (Reginald William), b. 1891. <br/><br/>
The optical principles of the diffraction of x-rays. 

 - London :  G. Bell,  1967. 
 - Crystalline state ;  v. 2 .
<br/><br/> First published 1948. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>X-rays -- Diffraction.--X-rays -- Diffraction.