1. A historical review of circuit simulation
2. Simulation of Nonlinear Circuits in the Frequency Domain
3. , , and , ‘The spectral balance: a general method for analysis of non-linear microwave circuit driven by ncn-harmonically related generators’, IEEE MTT-S Digest (1987).
4. ‘SPICE 2: a computer program to simulate semiconductor circuits’, Memorandum No. ERL-M520, May 1975.