@inproceedings{inproceedingse36539df,
title   = {Optical and structural properties of Er doped Si'O IND.2'-Ge'O IND.2'-'Al IND.2''O IND.3' gels, nanopowders and waveguides through the Sol-Gel process},
author = {Maia, Lauro J. Q. and Faria Filho, Fausto M. and Gonçalves, Rogéria Rocha and Ribeiro, Sidney J. L.},
year = {2011},
publisher = {International Sol-Gel Society},
booktitle   = {International Sol-Gel Conference}
}