by Verdu, S.V., Garcia, M.O., Senabre, C., Marin, A.G., Franco, F.J.G.
Published in IEEE transactions on power systems (01.11.2006)

by VERDU, S. V, GARCIA, M. O, BLANES, C. S, FRANCO, F. J. G, MARIN, A. G
Published in International journal of power & energy systems (2008)

by Verdu, S.V., Garcia, M.O., Franco, F.J.G., Encinas, N., Marin, A.G., Molina, A., Lazaro, E.G.
Published in IEEE PES Power Systems Conference and Exposition, 2004 (2004)