Ring, Lars (6 February 2004). "Kauppi - som en svetslåga". Svenska Dagbladet (in Swedish). Archived from the original on 13 May 2014. Retrieved 24 August 2015.
Ring, Lars (6 February 2004). "Kauppi - som en svetslåga". Svenska Dagbladet (in Swedish). Archived from the original on 13 May 2014. Retrieved 24 August 2015.