@article{articleb6fbeacd, title = {Spectroscopic properties and energy transfer parameters of 'Tm POT.3+' ions in gallium lanthanum sulfide glass}, author = {de Camargo, Andrea Simone Stucchi and Oliveira, Samuel L. and Sousa, Dione Fagundes de and Nunes, Luiz Antônio de Oliveira and Hewak, Daniel}, year = {2002}, journal = {Journal of Physics-Condensed Matter} }