
- Author: Richard N. Aufmann Richard D. Nation
- Language: English
- Year: 2005

- Author: Richard N. Aufmann Joanne Lockwood
- Language: English
- Year: 2010

- Author: Richard N. Aufmann Vernon C. Barker Richard D. Nation
- Language: English
- Year: 2010

- Author: Richard N. Aufmann Joanne Lockwood
- Language: English
- Year: 2010

- Author: Richard N. Aufmann
- Language: English
- Year: 2008

- Author: Richard N. Aufmann Vernon C. Barker Joanne Lockwood
- Language: English
- Year: 2006

- Author: Richard N. Aufmann Vernon C. Barker Joanne S. Lockwood
- Language: English
- Year: 2011

- Author: Richard N. Aufmann Joanne Lockwood
- Language: English
- Year: 2010

- Author: Richard N. Aufmann Vernon C. Barker Richard D. Nation
- Language: English
- Year: 2010

- Author: Richard N. Aufmann Joanne Lockwood Richard D. Nation Daniel K. Clegg
- Language: English
- Year: 2009