@inproceedings{inproceedings41784201,
title   = {Red to green frequency upconvertion in 'Y IND.2'BaZn'O IND.5':'Er POT.3+'},
author = {Cruz, Gerson Kniphoff da and Messaddeq, Younnes and Ribeiro, S. J. L. and Carvalho, René Ayres de and Tomazini Neto, W.},
year = {2000},
booktitle   = {International Symposium on Non-Oxide Glasses and Advanced Materials}
}