- Author: Germany. Heer, Bull Stephen
- Language: English
- Year: 2016
- Author: Chivers Christopher John, Prichard Michael J
- Language: English
- Year: 2010
- Author: Chivers Christopher John, Prichard Michael J
- Language: English
- Year: 2011
- Author: McNab Chris
- Language: English
- Year: 2017
- Author: Seidler Hans
- Language: English
- Year: 2013
- Author: Cornish Paul
- Language: English
- Year: 2009