- Author: Richard A. Billows
- Language: English
- Year: 1994
- Author: Peter F. Dorcey
- Language: English
- Year: 1992
- Author: Costas Panayotakis
- Language: English
- Year: 1995
- Author: Mary Kuntz
- Language: English
- Year: 1993
- Author: Arthur Segal
- Language: English
- Year: 1994
- Author: Deborah Levine Gera
- Language: English
- Year: 1996
- Author: J.M. Van Ophuijsen, Peter Stork
- Language: English
- Year: 1999
- Author: Susan E. Wood
- Language: English
- Year: 2000
- Author: Johannes Jacobus Louis Smolenaars
- Language: English
- Year: 1994
- Author: P.H. Schrijvers
- Language: French
- Year: 1998