Carlos E. Christoffersen Kabir, M., Christoffersen, C., & Kriplani, N. (2011). Transient simulation based on state variables and waves. International Journal of RF and Microwave Computer-Aided Engineering, 21(3), 314–324. Batty, W., Christoffersen, C. E., Panks, A. J., David, S., Snowden, C. M., & Steer, M. B. (2001, December). Electrothermal CAD of power devices and circuits with fully physical time-dependent compact thermal modeling of complex nonlinear 3-D systems. IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, Vol. 24, pp. 566–590. https://doi.org/10.1109/6144.974944 Christoffersen, C. E., & Steer, M. B. (2001). State-variable-based transient circuit simulation using wavelets. IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 11(4), 161–163. https://doi.org/10.1109/7260.916330 Christoffersen, C. E., Mughal, U. A., & Steer, M. B. (2000). Object oriented microwave circuit simulation. INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING, 10(3), 164–182. https://doi.org/10.1002/(SICI)1099-047X(200005)10:3<164::AID-MMCE4>3.0.CO;2-K Steer, M. B., Harvey, J. F., Mink, J. W., Abdulla, M. N., Christoffersen, C. E., Gutierrez, H. M., … Yakovlev, A. B. (1999). Global modeling of spatially distributed microwave and millimeter-wave systems. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 47(6), 830–839. https://doi.org/10.1109/22.769316 Christoffersen, C. E., & Steer, M. B. (1999). Implementation of the local reference node concept for spatially distributed circuits. International Journal of RF and Microwave Computer-Aided Engineering, 9(5), 376–384. https://doi.org/10.1002/(SICI)1099-047X(199909)9:5<376::AID-MMCE2>3.0.CO;2-M Christoffersen, C. E., Ozkar, M., Steer, M. B., Case, M. G., & Rodwell, M. (1999). State-variable-based transient analysis using convolution. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 47(6), 882–889. https://doi.org/10.1109/22.769322