- Author: Paul N Weinberg, James R Groff, Andrew J Oppel
- Language: English
- Year: 2010
- Author: James R Groff, Paul N Weinberg
- Language: English
- Year: 2002
- Author: James R Groff, Paul N Weinberg
- Language: English
- Year: 1999
- Author: James R. Groff Paul N. Weinberg
- Language: English
- Year: 2002
- Author: Sareen S. Gropper Jack L. Smith James L. Groff
- Language: English
- Year: 2009
- Author: James R. Groff Paul N. Weinberg
- Language: English
- Year: 1999
- Author: James R. Groff Paul N. Weinberg
- Language: English
- Year: 1999