- Author: F. L. Warner
- Language: English
- Year: 1977
- Author: Skaug Reidar, Hjelmstad Jens F
- Language: English
- Year: 1985
- Author: Hansen Jesper E
- Language: English
- Year: 1988
- Author: Burberry R. A
- Language: English
- Year: 1992
- Author: Morris Peter Robin
- Language: English
- Year: 1990
- Author: Kelvin William Thomson, Kelvin William Thomson, Tunbridge Paul
- Language: English
- Year: 1992
- Author: Davies John
- Language: English
- Year: 1990
- Author: Lakervi Erkki, Holmes E. J
- Language: English
- Year: 1995
- Author: Berrie Tom W
- Language: English
- Year: 1992