@inproceedings{inproceedings22b193ba,
title   = {Nanosized rare earth silicate up-converters from oxysulfide route},
author = {Pires, Ana Maria and Davolos, M. R. and Serra, Osvaldo Antonio},
year = {2004},
publisher = {IQSC},
booktitle   = {Brazilian Meeting on Inorganic Chemistry (BMIC}
}