@inproceedings{inproceedings3f23a782, title = {Preparation and characterization of gels of 'SI''O IND.2'-'AL IND.2''O IND.3' composition}, author = {Delben, A. T. and Almeida, R. M. and Delben, A. T. and Aegerter, Michel André}, year = {1991}, booktitle = {International Symposium on Halide Glasses} }