Minutes of the fourth meeting of subgroup RR3 / European Conference of Postal and Telecommunications Administrations
Meeting in Copenhagen, 30 May - 1 June 1989 : draft agenda / European Conference of Postal and Telecommunications Administrations
Implementation of ERC recommendations and decisions / European Conference of Postal and Telecommunications Administrations
Glossaire multilingue des descripteurs essentiels utilises dans les banques de donnees documentaires de la CEPT