Bragg, W. H.  Sir,  1862-1942 <br/><br/>
X rays and crystal structure / 
by W. H. Bragg and W. L. Bragg 
 - 3rd ed. 
 - London :  G. Bell,  1918 
 - vii, 228 p. :  ill. ;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>X-rays<br/>Crystallography
<br/><br/><label>Dewey Class. No.: </label>548.83