M. Ponce°, J. Arau*, M. Rico, "Balastros con Inversores Clase E, Topologías y Criterios de Diseño - Parte 1" (Balasts with Class-E Inverters, Topologies and Design Considerations - Part 1), Mundo Electrónico de Marcombo, Boixareu Editors, No. 285, April 1998
M. Ponce°, J. Arau*, M. Rico, "Balastos con Inversores Clase E; Ejemplo de Diseño - Parte 2" (Balasts with Class-E Inverters; Design Example), Mundo Electrónico de Marcombo, Boixareu Editors, No. 286, May 1998, pp. 44-48
R. Parra*, J. Álvarez, J.A. Hernández, "Simple Recurrent Neural Network: A Neural Network Structure for Control Systems", International Journal of Neurocomputing, Vol. 1, No. 23, December 1998, pp. 277-289