CCFAC/P/3 "Technologial Media and Art by Satoru Sato", Professor, Tokyo University of Fiine Arts、Asian Cultural Center for Unesco [Distributed in the Symposium on the role of cultural centers and festivals in the artistic exchange among Asian countries, Manila, 29-31 October 1973, orgnised by United Nations Educational, Scientific and Cultural Organization in cooperation with the Cultural Center of the Philippines and UNESCO National Commission of the Philippines.]