@inproceedings{inproceedings907e4c75,
title   = {Broadband NIR emission and NIR-to-visible upconversion in micro and nanostructured sol-gel rare earth-doped materials for photonic applications},
author = {Aquino, F. T. and Pereira, R. R. and Muscelli, W. C. and Ferrari, J. L. and Ribeiro, S. J. L. and Gonçalves, Rogéria Rocha},
year = {2014},
publisher = {DQF-UFPE},
booktitle   = {Encontro Nacional sobre Terras Raras}
}