- Author: Fink Johannes Karl
- Language: English
- Year: 2017
- Author: Fink Johannes Karl
- Language: English
- Year: 2017
- Author: Josephson Edward S
- Language: English
- Year: 1982
- Author: Josephson Edward S
- Language: English
- Year: 1982
- Author: Pollens Stewart
- Language: English
- Year: 2015