- J. Bryan Lewis
- Lawrence Koved
- et al.
- 1991
- CHI 1991
- David E. Johnson
- Hideo Watanabe
- 1991
- Machine Translation
- D. Petkovic
- J. Wilder
- et al.
- 1991
- Machine Vision and Applications
- 1991
- Journal of the Optical Society of America A: Optics and Image Science, and Vision
- Joseph Y. Halpern
- Yoav Shoham
- 1991
- Journal of the ACM
- Michael Tiomkin
- Michael Kaminski
- 1991
- Journal of the ACM
- Yishay Mansour
- Baruch Schieber
- et al.
- 1991
- Journal of the ACM