Woollins, J. D. <br/><br/>
Non-metal rings, cages and clusters   
by J. D. Woollins 
 - Chichester  John Wiley & Sons  1988 
 - viii, 124p. 
<br/><br/><label>ISBN: </label>0471915920 
<br/><br/><label>Dewey Class. No.: </label>546.7  / N88