International Conference on Precision Measurement and Fundamental Constants (1970  Gaithersburg) <br/><br/>
Precision measurement and fundamental constants   
ed. by D. N. Longenberg and B. N. Taylor 
 - Washington  National Bureau of Standards  1971 
 - xiv, 531p. 
<br/><br/><label>Dewey Class. No.: </label>620.0044  / N712