Feynman, Richard P.  1918-1988, <br/><br/>
Six not-so-easy pieces :  Einstein's relativity, symmetry, and space-time / 
Richard P. Feynman ; originally prepared for publication by Robert B. Leighton and Matthew Sands ; new introduction by Roger Penrose 
 - xxvii, 152 páginas :  ilustraciones 
 - Helix books .
<br/><br/><label>ISBN: </label>0201150255 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Simetría (Física)<br/>Relatividad especial (Física)<br/>Espacio y tiempo
<br/><br/><label>LC Class. No.: </label>QC793.3S5  / F49