A charge control relation for bipolar transistors. - Herman K. Gummel (Bell Syst. Tech. J., 1970)

An integral charge control model of bipolar transistors. - Herman K. Gummel; H. C. Poon (Bell Syst. Tech. J., 1970)

GRAFOS - A symbolic routing language. - G. Persky; Herman K. Gummel (DAC, 1973)

Operational features of an MOS timing simulator. - Paul Kozak; Herman K. Gummel; Basant R. Chawla (DAC, 1975)