- Author: Yossef S. Ben-Porath, John R. Graham, Gordon C. Nagayama Hall, Richard Hirschman, María Zaragoza
- Language: English
- Year: 1995
- Author: Nichols David S
- Language: English
- Year: 2004
- Author: Anderson Wayne P., Duckworth Jane C
- Language: English
- Year: 1995
- Author: Ben-Porath Yossef S.
- Language: English
- Year: 2012