TI - Opitical and thermal bleaching of x-irradiated barium aluminoborate glasses PY - 1985 AU - Pontuschka, Walter Maigon AU - Isotani, S. AU - Piccini, A. UR - http://publica-sbi.if.usp.br/PDFs/pd512.pdf PP - São Paulo PB - IFUSP ER -