El-Said, Issam, 1939- Geometric concepts in Islamic art / Issam El-Said and Ayse Parman ; foreword by Titus Burckhardt - London : World of Islam Festival Pub., c1976 - xi, 154 p. : chiefly ill., plans ; 31 cm. Bibliography : p. 154 ISBN: 0905035038 : PND 7.50 Subjects--Topical Terms: Arts--MathematicsIslamic arts Dewey Class. No.: 745.44956