- Author: Hammel Eric, Lane John E
- Language: English
- Year: 2013
- Author: Hammel Eric
- Language: English
- Year: 2013
- Author: Hammel Eric M
- Language: English
- Year: 2012
- Author: Hammel Eric M
- Language: English
- Year: 2013
- Author: Hammel Eric M
- Language: English
- Year: 2014
- Author: Hammel Eric
- Language: English
- Year: 1998
- Author: Hammel Eric M., Hammel Eric M
- Language: English
- Year: 1993
- Author: Hammel Eric M
- Language: English
- Year: 1994
- Author: Hammel Eric
- Language: English
- Year: 1998
- Author: Hammel Eric
- Language: English
- Year: 1998