by Carrasco, J.M., Franquelo, L.G., Bialasiewicz, J.T., Galvan, E., Guisado, R.C.P., Prats, Ma.A.M., Leon, J.I., Moreno-Alfonso, N.
Published in IEEE transactions on industrial electronics (1982) (01.06.2006)

by Franquelo, L.G., Napoles, J., Guisado, R.C.P., Leon, J.I., Aguirre, M.A.
Published in IEEE transactions on industrial electronics (1982) (01.12.2007)