- Author: Johnson Norman Lloyd, Kotz Samuel, Wu Xizhi
- Language: English
- Year: 1991
- Author: Samuel Kotz Samuel Kotz Norman L. Johnson
- Language: English
- Year: 1992
- Author: Samuel Kotz Samuel Kotz Norman L. Johnson
- Language: English
- Year: 1992
- Author: Samuel Kotz Samuel Kotz Norman L. Johnson
- Language: English
- Year: 1997
- Author: Samuel Kotz Samuel Kotz Norman L. Johnson
- Language: English
- Year: 1993