World guide to technical information and documentation services

書誌詳細
団体著者:	United Nations Educational Scientific and Cultural Organization
フォーマット:	図書
言語:	English
出版事項:	Paris Unesco Press 1975
版:	2nd ed., rev., and enl.
主題:	Technology > Information services > Directories. Title : Guide mondial des centres de documentationet d'information techniques.