Sawyer, W. W. (Walter Warwick), 1911- <br/><br/>
The search for pattern / 
W. W. Sawyer. 
 - Harmondsworth :  Penguin Books,  1970. 
 - 348 pages :  illustration ;  19 cm. 
<br/><br/><label>ISBN: </label>0140211020 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.