Richtmyer, F.K <br/><br/>
Introduction to modern physics 
<label>/ by </label> Richtmyer, F.K 
<label>;</label> Kennard E. H. <label>;</label> Lauritsen, T. 
 - 5th ed. 
 - New York  McGraw-Hill Book Co.  1956 
 - xv,666p.  ill.  21 cm. 
 - International series in Pure and Applied Physics .
<br/><br/>PR 
<br/><br/><label>Dewey Class. No.: </label>539  / R