@inproceedings{inproceedings028bbff2,
title   = {Discrimination between upconversion and thermal quenching of fluorescence by thermal lens method},
author = {Pilla, V. and Catunda, Tomaz},
year = {2004},
publisher = {Instituto Nacional de Pesquisas Espaciais - INPE},
booktitle   = {International Conference on Photoacoustic and Photothermal Phenomena - ICPPP}
}