Polytopes and symmetry  
Robertson, Stewart A. 
 - Cambridge [Cambridgeshire] ; | New York :  Cambridge University Press,  1984 
 - xv, 112 p. :  ill. ;  23 cm. 
 - London Mathematical Society lecture note series ;  90 .
<br/><br/> Includes indexes. 
<br/><br/><label>ISBN: </label>0521277396 (pbk.)