El-Said, Issam. <br/><br/>
Geometric concepts in Islamic art / 
[by] Issam El-Said and Ays�e Parman ; foreword by Titus Burckhardt. 
 - London :  World of Islam Festival ,  1976. 
 - xi, 154 p. :  chiefly ill., plans ;  31 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0905035038 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arts--Mathematics.<br/>Arts, Islamic.