First European congress on documentation systems and networks, Luxembourg, 16th, 17th and 18th May 1973 : organised by Bureau Marcel van Dijk ... ed. by the Commission of the European communities, Directorate general "Scientific and technical information and information management".
European congress on documentation systems and networks(1 : 1973) Luxembourg (författare)
Commission of the European communities. Directorate general "Scientific and technical information and information management"(redaktör/utgivare)