"Catalogue of publications issued by the Dissemination of Scientific and Technical Knowledge Unit ..."
"Compiled by Ecotec Research and Consulting Ltd., Brussels, on behalf of the Dissemination of Scientific and Technical Knowledge Unit, Directorate General XIII (Information Technologies and Industries, and Telecommunications), Commission of the European Communities, Luxembourg," <1992>
Latest issue consulted: 1992, published in 1993.
Issued by: Commission of the European Communities. Directorate-General, Telecommunications, Information Market and Exploitation of Research, <1992>