- Author: George B Rybicki, Alan P Lightman
- Language: English
- Year: 2004
- Author: George B. Rybicki Alan P. Lightman
- Language: English
- Year: 1985
- Author: George B. Rybicki Alan P. Lightman
- Language: English
- Year: 1985
- Author: George B. Rybicki Alan P. Lightman
- Language: English
- Year: 1985