The AT&T WE32200 design challenge. - Victor K. L. Huang; James W. Seery; William S. Wu; Saul Altabet; Michael J. Killian; Simeon Aymeloglu; Thaddeus J. Gabara; Aaron L. Fisher; Inseok Hwang; David W. Thompson (IEEE Micro, 1989)

Pen-Based User Interface. - Takayuki Dan Kimura; Eric J. Golin; Marlin Eller; Norman K. Meyrowitz; Tetsu Fujisaki; Yoji Yaskawa; Ryujiro Muto; Saul Altabet; Wayne Citrin; Jin Hyung Kim (VL, 1991)