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Ralf Lofstad; Harald S. Klungetveit; Øistein Norum Monsen (27 April 2007). "Politiet stormet Blitz-huset". Dagbladet. Archived from the original on 5 June 2011. Retrieved 28 April 2007.
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Midtskogen, Rune (4 July 2009). ""Greven" angrer ingenting" ["The Count" regrets nothing] (in Norwegian). Archived from the original on 11 January 2011. Retrieved 25 August 2009.