U.S. Department of Commerce, National Bureau of Standards <br/><br/>
Special technical facilities at the national bureau of standards   
ed. by H. L. Mason and M . Lloyd 
 - Washington  U.S. Department of Commerce, National Bureau of Standards  1975 
 - v, 50p. 
 - NSB special publication  No.413 .
<br/><br/><label>Dewey Class. No.: </label>607.31520973  / N75