Spectroscopic study of 'Eu POT.3+' doped phosphotungstate coacervates - Barbosa, A. J.; Maia, L. J. Q.; Gonçalves, Rogéria Rocha; Carlos, L. D.; Ferreira, R. A. S.; Messaddeq, Y.; Ribeiro, S. J. L. (Brazilian Meeting on Inorganic Chemistry (BMIC), 2008)