- Author: Gerald B. Folland, Joseph John Kohn
- Language: English
- Year: 2016
- Author: Gerald B. Folland Joseph John Kohn
- Language: English
- Year: 1972
- Author: Gerald B. Folland Joseph John Kohn
- Language: English
- Year: 1972
- Author: Gerald B. Folland Joseph John Kohn
- Language: English
- Year: 1972