- 1999
- ACM Conference on Electronic Commerce 1999
- Christopher H. Brooks
- Scott Fay
- et al.
- 1999
- ACM Conference on Electronic Commerce 1999
- Nicole Yankelovich
- Jennifer Lai
- 1999
- CHI EA 1999
- Benjamin N. Grosof
- Yannis Labrou
- et al.
- 1999
- ACM Conference on Electronic Commerce 1999
- Markus Stolze
- Jürgen Koenemann
- 1999
- CHI EA 1999
- Clare-Marie Karat
- Christine Halverson
- et al.
- 1999
- CHI 1999
- Simon Holland
- Daniel Oppenheim
- 1999
- CHI 1999