Robertson, Stewart A. <br/><br/>
Polytopes and symmetry   
by Stewart A. Robertson 
 - Cambridge  Cambridge University Press  1984 
 - xv, 112p. 
 - London mathematical society lecture note series. 90 .
<br/><br/><label>ISBN: </label>0 521 27739 6 
<br/><br/><label>Dewey Class. No.: </label>512.33  / N84