A Boolean array based algorithm in APL. - Gerald Sullivan; F. Fordyce (ACM SIGAPL APL Quote Quad, 1986)

Logistics Management System (LMS): The Technology of Logistics with Knowledge-Based Expert Systems. - Gerald Sullivan; Kenneth Fordyce (IAAI, 1989)

Logistics management system: continuous flow manufacturing using knowledge based expert systems. - Gerald Sullivan; Kenneth Fordyce (IEA/AIE (2), 1989)

Finding circular relationships in networks. - Kenneth Fordyce; Jan Jantzen; Gerald Sullivan (ACM SIGAPL APL Quote Quad, 1990)

Using Boolean of Integer Arrays to Analyze Networks. - Kenneth Fordyce; Mario Morreale; Jan Jantzen; Gerald Sullivan (APL, 1991)

Solving two-state logic problems with Boolean arrays: an approach unique to APL. - Kenneth Fordyce; Manuel Alfonseca 001; James A. Brown 001; Gerald Sullivan (ACM SIGAPL APL Quote Quad, 1992)