Goncalves A., Costa C., Pereira S., Correia N., M.M. S, Barbosa P.C., L.C. R, Henriques I., R. M, Fortunato E..  2011.  Study of electrochromic devices with nanocomposites polymethacrylate hydroxyethylene resin based electrolyte. Polym. Adv. Technol.. 23:791?795.