Symposium in power diffraction (Maryland, 1979) <br/><br/>
Accuracy in power diffraction   
ed. by Block, C. R. Hubbard 
 - Washington  U.S. dept. of commerce  1980 
 - National Bureau of Standards  567 .
<br/><br/><label>Dewey Class. No.: </label>614.8406  / N80