
- Author: Walter L. Baily
- Language: English
- Year: 1973

- Author: Henry B. Laufer
- Language: English
- Year: 1971

- Author: Kalid Azad
- Language: English
- Year: 2015

- Author: R. F. Hoskins
- Language: English
- Year: 1990

- Author: Joe Diestel Angela Spalsbury
- Language: English
- Year: 2014

- Author: Bent E Petersen
- Language: English
- Year: 1983