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Karlsen, Faltin. Emergence, game rules and players. Universitetet i Oslo, Institutt for medier og kommunikasjon. Oslo: Nordisk medieforskerkonference. 2007 [2010-07-23]. (原始内容存档于2010-06-15).
Karlsen, Faltin. Emergence, game rules and players. Universitetet i Oslo, Institutt for medier og kommunikasjon. Oslo: Nordisk medieforskerkonference. 2007 [2010-07-23]. (原始内容存档于2010-06-15).