MEDUSA - A Simulator for Modular Circuits. - Walter L. Engl; Rainer Laur; Heinz K. Dirks (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1982)

Quasi-Simultaneous Solution Method: A New Highly Efficient Strategy for Numerical MOST Simulations. - Bernd Meinerzhagen; Heinz K. Dirks; Walter L. Engl (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1985)

A new nonlinear relaxation scheme for solving semiconductor device equations. - Karl H. Bach; Heinz K. Dirks; Bernd Meinerzhagen; Walter L. Engl (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1991)

Computer-aided design and scaling of deep submicron CMOS. - J. Will Specks; Walter L. Engl (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1993)

Levelized incomplete LU factorization and its application to large-scale circuit simulation. - Karl Michael Eickhoff; Walter L. Engl (IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1995)