@article{articleb3049833,
title   = {Luminescent Eu3+ doped Al6Ge2O13 crystalline compounds obtained by the sol gel process for photonics},
author = {Maia, Lauro J. Q. and Faria Filho, Fausto M. and Gonçalves, Rogéria Rocha and Ribeiro, Sidney José Lima},
year = {2018},
doi = {10.1016/j.optmat.2017.10.038},
journal   = {Optical Materials}
}