GOMES Jr, S.; PORTELA, C.; MARTINS, N., Detailed Model of Long Transmission Lines for Modal Analysis of ac Networks. Proc. International Conference on Power System Transients, Rio de Janeiro, Brazil, June 2001. Download.
VARRICCHIO, Sérgio Luis; MARTINS, Nelson; GOMES JR, Sérgio. s-Domain Approach to Reduce Harmonic Voltage Distortions Using Sensitivity Analysis. In: POWER ENGINEERING SOCIETY SUMMER MEETING, 2001, Vancouver. Proceedings of Power Engineering Society...
GOMES JR, Sérgio; MARTINS, Nelson; PORTELA, Carlos Manuel de Jesus C. M. Modal Analysis Applied to S-domain Models of AC Networks. In: POWER ENGINEERING SOCIETY SUMMER MEETING, 2001, Vancouver. Proceedings of Power Engineering Society Summer Meeting...
GIBBARD, Mike J; MARTINS, Nelson; SANCHEZGASCA, J J; UCHIDA, N; VITTAL, Vijay; WANG, Lei. Recent Applications of Linear Analysis Techniques. IEEE Transactions on Power Systems, USA, v. 16, n. 1, p. 154-162, 2001. Download from IEEE Xplore.
FERRAZ, Júlio Cézar Rezende; MARTINS, Nelson; TARANTO, Glauco Nery; VARRICCHIO, Sérgio Luis. Método de Newton-Raphson para Posicionamento Parcial Simultâneo de Múltiplos Pólos. In: XIII CONGRESSO BRASILEIRO DE AUTOMÁTICA, 2000, lorianópolis...