IBM ES/9000 model 320 air cooled computer technology. - Venkappa L. Gani; Matthew Graf; Keith Mathews; Edward B. Eichelberger (Compcon, 1991)

IBM Enterprise System/9000 Type 9121 Model 320 air-cooled processor technology. - Venkappa L. Gani; Matthew Graf; Richard F. Rizzolo; William F. Washburn (IBM J. Res. Dev., 1991)

Testing "untestable" faults in three-state circuits. - Peter Wohl; John A. Waicukauski; Matthew Graf (VTS, 1996)