1. Eurobarometer: Public Opinion in the European Union: 20th Aniversary Issue; Trends 1974–1993;European Commission Survey Research Unit,1994
2. EDCs: Their Role in the EC Information Chain;Caddel;European Access,1991
3. EDCs and the Commission's Information Policy;Harbord;European Access,1989
4. Information Policy in the EU: Towards a Local Approach;Caddel;European Urban and Regional Studies,1995
5. Information, Communication, Openness;de D. Pinheiro,1994