Introdução aos circuitos eléctricos e electrónicos / Manuel de Medeiros Silva
Bioelectricity : a quantitative approach / Robert Plonsey e Roger C. Barr
Máquinas eléctricas : transformadores / José Rodrigues e José Matias
Power electronics : converters, applications and design / Ned Mohan, Tore M. Undeland and William P. Robbins