A parametric graphical display technique for on-line use. - Michael L. Dertouzos; H. L. Graham (AFIPS Fall Joint Computing Conference, 1966)

Event-Driven Waveform Relaxation Algorithm for Circuit Simulation. - H. L. Graham; E. J. Charlson; E. M. Charlson; Y. Hsia (Int. J. Comput. Simul., 1991)