- Author: David M. Skapura
- Language: English
- Year: 1995
- Author: James A Freeman, David M Skapura
- Language: English
- Year: 1991
- Author: James A. Freeman David M. Skapura
- Language: English
- Year: 1991
- Author: James A. Freeman David M. Skapura
- Language: English
- Year: 1991
- Author: James A. Freeman David M. Skapura
- Language: English
- Year: 1991
- Author: James A. Freeman David M. Skapura
- Language: English
- Year: 1991