- Author: Torkel Brekke
- Language: English
- Author: Torkel Brekke
- Language: English
- Year: 2016
- Author: Torkel Brekke
- Language: English
- Year: 2011
- Author: Vladimir Tikhonov, Torkel Brekke
- Language: English
- Year: 2012
- Author: Torkel Brekke
- Language: English
- Year: 2012
- Author: Torkel Brekke (editor)
- Language: English
- Year: 2019
- Author: Torkel Brekke
- Language: English
- Year: 2011
- Author: Torkel Brekke
- Language: English
- Year: 2003
- Author: Torkel Brekke
- Language: English
- Year: 2005