References for DC Simulation

1. K.S. Kundert, "The Designer's Guide to SPICE and Spectre," Kluwer Academic Publishers, Boston, MA, USA, 1995.
2. K.S. Kundert, J.K. White, and A. Sangiovanni-Vincentelli, "Steady-State Method for Simulating Analog and Microwave Circuits," Kluwer Academic Publishers, Boston, MA, USA, 1990.
3. L.W. Nagel, "SPICE2: A Computer Program to Simulate Semiconductor Circuits," Ph.D. Dissertation, Electronics Research Laboratory, College of Engineering, University of California, Berkeley, CA, USA, 1975.