Intelligent tutoring systems: perspective. - Hugh L. Burns; James W. Parlett; James B. Bushman (SMC, 1989)

ALLY: an operator's associate model for cooperative supervisory control situations. - James B. Bushman; Christine M. Mitchell; Patricia M. Jones; Kenneth S. Rubin (SMC, 1989)

ALLY: an operator's associate for cooperative supervisory control systems. - James B. Bushman; Christine M. Mitchell; Patricia M. Jones; Kenneth S. Rubin (IEEE Trans. Syst. Man Cybern., 1993)