FEYNMAN, Richard P. <br/><br/>
Six not-so-easy pieces : einstein's relaticity, ymmetry, and space-time / 
[by] Richard P.Feynman 
 - Reading  Addison-Wesley pub.  1997 
 - xxvii, 152 p. 
<br/><br/><label>ISBN: </label>201150255 
<br/><br/><label>Dewey Class. No.: </label>530.11  / FEY