1. Eurostat, 19th CEIES seminar: Innovative solutions in providing access to microdata, Lisbon, 26 and 27 September 2002, Office for Official Publications of the European Communities, Luxembourg (2003)
2. UNECE/Eurostat: Monographs of official statistics: Work session on statistical data confidentiality, Luxembourg, 7 to 9 April 2003, Office for Official Publications of the European Communities, Luxembourg, (2004)
3. UNECE/Eurostat: Work session on statistical data confidentiality, Geneva, 9 to 11 November 2005, Office for Official Publications of the European Communities, Luxembourg (2006)
4. Lecture Notes in Computer Science,2004
5. Lecture Notes in Computer Science,2006