657,834 BIBLIOGRAPHIC Bibliographic Bulletin of the Clearinghouse at IINTE/Instytut Informacji Naukowej, Technicznej i Ekonomicznej/. Supplement 1973 The holdings and bibliographic data of the clearinghouse for scientific and technical thesauri,descriptor,key-word, Subject-heading lists,classification schedules and other means of information retrie val in languages other than English. Oprac. K. Gródecka, A. Tołwińska. Warszawa 1974 Institute for Scientific, Technical and Economic Information 8° s. 44.