
- Author: Julius M Cruse, Robert E Lewis
- Language: English
- Year: 2003

- Author: Julius M. Cruse Robert E. Lewis
- Language: English
- Year: 2010

- Author: Julius M. Cruse Robert E. Lewis
- Language: English
- Year: 2005

- Author: Julius M. Cruse Robert E. Lewis
- Language: English
- Year: 2009

- Author: Julius M. Cruse Robert E. Lewis
- Language: English
- Year: 2002

- Author: Julius M. Cruse Robert E. Lewis
- Language: English
- Year: 2004

- Author: Julius M. Cruse Robert E. Lewis
- Language: English
- Year: 2009