http://www.kalmarlansmuseum.se/1/1.0.1.0/51/1/?item=art_art-s1/1592 "Kalmartrissan" och andra "trissor"] , County Museum of Kalmar "Kalmartrissan snurrar vidare", Dagens Nyheter 19 December 2012 (not available in the on-line edition) Kalmartrissan fyller 70 år, Sveriges radio, 25 January 2002, retrieved 22 March 2013 The company that makes it, Elfverson & Co., is located in Påryd, about 30 kilometers from Kalmar in Småland, Sweden.