Reid, Struan Cultures and civilizations/ by Struan Reid. - Paris : UNESCO; London : Belitha Press Limited, 1994. - 48 p.; 29 cm. il., map., retrs. - The Silk and Spice Routes . ISBN: 1855612658 (Belita Press Limited) ISBN 9231029274 92-3-102927-4 No. de Clasificación Universal Decimal: 008 (4) (5)=20 CUL