- Author: Schwinger Julian Saxon David S.
- Language: English
- Year: 1968
- Author: Schwinger Julian Saxon David S.
- Language: English
- Year: 1968
- Author: Schwinger Julian
- Language: English
- Year: 1969
- Author: Schwinger Julian
- Language: English
- Year: 1969
- Author: Julian Schwinger
- Language: English
- Year: 1969
- Author: W.R. Bennett
- Language: English
- Year: 1977
- Author: J. G. Kirkwood
- Language: English
- Year: 1967
- Author: J. G. Kirkwood
- Language: English
- Year: 1967
- Author: W.R. Bennett
- Language: English
- Year: 1977
- Author: Bryce S DeWitt
- Language: English
- Year: 1965