Optical and esr study of 'ER POT.3+' in 'LI''NB''O IND.3' - Milori, D M B P; Moraes, I J; Hernandes, Antônio Carlos; Souza, R. R.; Siu Li, Máximo; Terrile, Maria Cristina; Barberis, G E (Physical Review B, 1995)