
- Author: Hengl Reuter (eds.)
- Language: English
- Year: 2007

- Author: United Nations
- Language: English
- Year: 2001

- Author: Klaus-Dieter Borchardt
- Language: English
- Year: 2000

- Author: Eckert J., Braun R., Shirley M.W., Coudert P.
- Language: English
- Year: 1995

- Author: Tomislav Hengl & Mike Gould, [forew. by Luca Montanarella].
- Language: English
- Year: 2006