Robertson, Steward A., <br/><br/>
Polytopes and symmetry 
Stewart A. Robertson. 
 - Cambridge  Cambridge University Press  1984. 
 - 112p. 23cm. 
 - London Mathematical Society lecture note series  90 .
<br/><br/><label>ISBN: </label>0521277396 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Polytopes