by Ekel, P.Ya, Lisboa, A.C., Pereira, J.G., Vieira, D.A.G., Silva, L.M.L., D'Angelo, M.F.S.V.
Published in International journal of electrical power & energy systems (01.06.2019)

by Rodrigues, C.L., Morais, F.J., Silva, L.M.L., da Silva, K.R.G., de Figueiredo, J.C.A., Guerrero, D.D.S., Melcher, E.
Published in 2008 IEEE International Conference on Systems, Man and Cybernetics (01.10.2008)