- Author: Timothy Earle Kristian Kristiansen
- Language: English
- Year: 2010
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- Language: English
- Year: 1998
- Author: Kristjana Kristiansen Simo Vehmas Tom Shakespeare
- Language: English
- Year: 2008
- Author: Bjorn Kristiansen Joan Linden Michael Mattey
- Language: English
- Year: 1998