Verilog-AMS
I. Miller and T. Cassagnes, "Verilog-AMS Eases Mixed Mode Signal Simulation," Technical Proceedings of the 2000 International Conference on Modeling and Simulation of Microsystems, pp. 305–308, Available: https://web.archive.org/web/20070927051749/http://www.nsti.org/publ/MSM2000/T31.01.pdf