- Author: Bickerton Ian J
- Language: English
- Year: 2010
- Author: Doug Millard
- Language: English
- Year: 2017
- Author: Purs Aldis
- Language: English
- Year: 2012
- Author: Purs Aldis
- Language: English
- Year: 2012
- Author: Doug Millard
- Language: English
- Year: 2017
- Author: Antoni Kapcia
- Language: English
- Year: 2008
- Author: Ian J. Bickerton
- Language: English
- Year: 2009
- Author: Larry Allen
- Language: English
- Year: 2004
- Author: Antoni Kapcia
- Language: English
- Year: 2008
- Author: Rob Johnson
- Language: English
- Year: 2005
