Jenkins, Paul and Heffernan, Daniel M. (1990) Non-fractal Chaos in Two Dimensional Discrete Systems. (Preprint)
Jenkins, Paul and Heffernan, Daniel M. (1987) Numerical Investigation of Chaos in the Time-Delay Ikeda Laser-Ring Cavity. (Preprint)
McInerney, John G. and Heffernan, Daniel M. (1986) Optical Bistability in Semiconductor Injection Lasers. (Preprint)
Heffernan, Daniel M. (1984) Transient Resonant Spiking in Degenerate Four Wave Mixing in Saturable Absorbers. (Preprint)
Heffernan, Daniel M. and Liboff, Richard L. (1983) A Model for the Diffuse γ-Ray Spectrum. (Preprint)