"Country Profile: Denmark," BBC News, January 10, 2007.

"Timeline: Denmark," BBC News, December 12, 2006.

  "Country Profile: Finland," BBC News, December 6, 2006.

"Timeline: Finland," BBC News, November 29, 2006.

  "Country Profile: Norway," BBC News, December 6, 2006.

"Timeline: Norway," BBC News, December 6, 2006.

  "Country Profile: Sweden," BBC News, December 21, 2006.

"Timeline: Sweden," BBC News, September 18, 2006.