Methods of Analysis of Circuit Transient Performance. - Leo Hellerman; Edward J. Skiko (IBM J. Res. Dev., 1961)

Process Diagnosis System (PDS) - A 30 Year History. - Edward D. Thompson; Ethan Frolich; James C. Bellows; Benjamin E. Bassford; Edward J. Skiko; Mark S. Fox (AAAI, 2015)