Envelope Fluctuation Statistics of Filtered PSK and Other Digital Modulations. - Larry J. Greenstein; Patrick J. Fitzgerald (IEEE Trans. Commun., 1979)

Phasing Multitone Signals to Minimize Peak Factors. - Larry J. Greenstein; Patrick J. Fitzgerald (IEEE Trans. Commun., 1981)

The Pedagogical Design Studio: Exploiting Artifact-Based Task Models for Constructivist Learning. - James C. Lester; Patrick J. Fitzgerald; Brian A. Stone (IUI, 1997)

Visual Emotive Communication in Lifelike Pedagogical Agents. - Stuart G. Towns; Patrick J. Fitzgerald; James C. Lester (Intelligent Tutoring Systems, 1998)