- Author: Michael R. Chernick Robert H. Friis
- Language: English
- Year: 2003
- Author: Michael R. Chernick
- Language: English
- Year: 2007
- Author: Michael R. Chernick Robert H. Friis
- Language: English
- Year: 2003
- Author: Michael R. Chernick
- Language: English
- Year: 2007
- Author: Michael R. Chernick Robert H. Friis
- Language: English
- Year: 2003
- Author: Michael R. Chernick
- Language: English
- Year: 2007