- Author: Stephen V. Monsma
- Language: English
- Year: 2004
- Author: Stephen V. Monsma, J. Christopher Soper
- Language: English
- Year: 2006
- Author: Stephen V. Monsma
- Language: English
- Year: 2004
- Author: Stephen V. Monsma J. Christopher Soper
- Language: English
- Year: 2008