- Author: David S. Evans Andrei Hagiu Richard Schmalensee
- Language: English
- Year: 2006
- Author: Michele Emmer
- Language: English
- Year: 2005
- Author: BC Crandall
- Language: English
- Year: 1996
- Author: Ian Cloete Jacek M. Zurada
- Language: English
- Year: 1999
- Author: Cynthia L. Breazeal
- Language: English
- Year: 2002
- Author: Theodore W. Berger Dennis L. Glanzman
- Language: English
- Year: 2005
- Author: Mark Bedau John McCaskill Norman Packard
- Language: English
- Year: 2000
- Author: Edward J. Hackett Olga Amsterdamska Michael Lynch Judy Wajcman
- Language: English
- Year: 2007
- Author: Douglas W. Allen Dean Lueck
- Language: English
- Year: 2002
