- Author: Mohammad R. Haghighat
- Language: English
- Year: 1995
- Author: Seth D. Bergmann
- Language: English
- Year: 1994
- Author: Stallman R.M.
- Language: English
- Year: 2004
- Author: Leupers R.
- Language: English
- Year: 2002
- Author: Johnson S.C.
- Language: English
- Author: HartForth Graham A.M.
- Language: English
- Author: Barthelmann V.
- Language: English
- Year: 2004
- Author: Bezemer J.L.
- Language: English
- Year: 2005
- Author: David Watt Deryck Brown
- Language: English
- Year: 2000