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Records of the General Conference, Twenty-sixth session, Paris, 15 October to 7 November 1991
General conference. Session
其他書名
Resolutions
出版United nations Educational, Scientific and Cultural Organization, 1992
ISBN92310277279789231027727
URLhttp://books.google.com.hk/books?id=J4OjuAAACAAJ&hl=&source=gbs_api