- Author: Hahn Brian D
- Language: English
- Author: Hahn Brian D
- Language: English
- Author: Hahn Brian, Valentine Daniel T., Daniel T. Valentine
- Language: English
- Year: 2019
- Author: Hahn Brian D., Valentine Daniel T
- Language: English
- Year: 2017
- Author: Hahn Brian D., Valentine Daniel T
- Language: English
- Year: 2017
- Author: Hahn Brian D., Valentine Daniel T
- Language: English
- Year: 2013
- Author: Hahn Brian D., Valentine Daniel T
- Language: English
- Year: 2013
- Author: Hahn Brian D., Valentine Daniel T
- Language: English
- Year: 2013
- Author: Hahn Brian D., Valentine D. T
- Language: English
- Year: 2019
- Author: Hahn Brian D., Valentine Daniel T.
- Language: English
- Year: 2017