Lockwood E.H. <br/><br/>
Geometric symmetry 

 - London  Cambridge University Press UK      1978 
<br/><br/><label>ISBN: </label>0521216850 
<br/><br/><label>Standard No.: </label>244,433 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B6, L8