- Author: Loyd S Swenson, James M Grimwood, Charles C Alexander
- Language: English
- Year: 1998
- Author: Loyd S Swenson, James M Grimwood, Charles C Alexander
- Language: English
- Author: Charles K. Alexander Matthew N.O. Sadiku
- Language: English
- Year: 2009
- Author: Charles K. Alexander Matthew N.O. Sadiku
- Language: English
- Year: 2007
- Author: Charles K. Alexander Matthew N.O. Sadiku
- Language: English
- Year: 2008
- Author: Charles K. Alexander Matthew N.O. Sadiku
- Language: English
- Year: 2008
- Author: Donald Christiansen Charles K. Alexander Ronald Jurgen
- Language: English
- Year: 2004
- Author: Charles K. Alexander Matthew N. O. Sadiku
- Language: English
- Year: 2002
- Author: Charles C. Alexander
- Language: English
- Year: 2002