Physics 50 years later  as presented to the XIV general assembly of the international union of pure and applied physics on the occasion of the union's fiftieth anniversary 
edited by Sanborn C. Brown 
 - Washington, D.C.  National Academy of Science  1973 
 - 406 p. : ill. ; 25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0309021383 
<br/><br/><label>LCCN: </label>73-11320 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics--Addresses, essays, lectures