@inproceedings{inproceedings8309ac70, title = {Study of Auger upconversion process in 'Cr POT.3+' and 'Nd POT.3+' doped solids}, author = {Pilla, Viviane and Andrade, Acácio Aparecido and Catunda, Tomaz and Jenssen, N P and Cassanho, A}, year = {2001}, publisher = {SBF}, booktitle = {Encontro Nacional de Física da Matéria Condensada} }