- Author: Klima Richard E., Sigmon Neil
- Language: English
- Year: 2019
- Author: Klima Richard E., Sigmon Neil
- Language: English
- Year: 2019
- Author: Klima Richard E., Sigmon Neil
- Language: English
- Year: 2013
- Author: Richard Klima Richard E. Klima Neil Sigmon Neil P. Sigmon
- Language: English
- Year: 2019
- Author: Sigmon Neil, Klima Richard E
- Language: English
- Year: 2013