(2005-03-29) Mattila, Mikko; Raunio, Tapio; University of Helsinki. Department of Political Science - Mattila, Mikko; University of Tampere. Department of Political Science and International Relations - Raunio, Tapio

(2012-03-20) Moring, Tom; Moring, Tom; Svenska social- och kommunalhögskolan - Moring, Tom; University of Helsinki. Swedish School of Social Science - Moring, Tom

(2017-07-18) Lehtonen, Jukka; University of Helsinki - Lehtonen, Jukka