Senechal, Marjorie. <br/><br/>
Crystalline symmetries  an informal mathematical introduction 
by Marjorie Senechal. 
 - Bristol  Adam Hilger  1990 
 - xi, 137p. 
<br/><br/><label>ISBN: </label>0750300418 
<br/><br/><label>Dewey Class. No.: </label>548.7  / N90