Organisation der Vereinten Nationen für Bildung, Wissenschaft und Kultur, Records of the General Conference, Twenty-ninth Session, Paris, 21 October-12 November 1997, Vol. I: Resolutions, Resolution 16.
United Nations Educational, Scientific and Cultural Organization, Records of the General Conference, Twenty-ninth Session, Paris, 21 October-12 November 1997, vol. 1: Resolutions, resolution 16.