
- Author: Germany. Heer, Bull Stephen
- Language: English
- Year: 2016

- Author: Baxter Ian
- Language: English
- Year: 2006

- Author: Allerberger Sepp, Wacker Albrecht
- Language: English
- Year: 2016

- Author: Peter P. Wegener
- Language: English
- Year: 1996

- Author: James Beach, Nash David
- Language: English
- Year: 2008

- Author: Lewin Ronald
- Language: English
- Year: 2003

- Author: Sturm Hans, Williamson Gordon
- Language: English
- Year: 2015

- Author: Mitcham Samuel W jr
- Language: English
- Year: 2007

- Author: Smith Alistair
- Language: English
- Year: 2013