@inproceedings{inproceedings5187d125,
title   = {Cooperative upconversion, radiation trapping end self-quenching effects in highly Yb3+ - doped oxyfluoride glasses},
author = {Santos, W. Q. and Silva, W. F. and Jacinto, C. and de Camargo, Andrea Simone Stucchi and Wu, D.},
year = {2013},
publisher = {Sociedade Brasileira de Física - SBF},
booktitle   = {Encontro de Físicos do Norte e Nordeste}
}