@inproceedings{inproceedings7d878c51, title = {Spectroscopic study of sol-gel europium gadolinium tantalates}, author = {Gonçalves, R. R. and Oliveira, D. C. and Messaddeq, Y. and Ribeiro, S. J. L.}, year = {2004}, publisher = {SBPMat}, booktitle = {Encontro da SBPMat-Sociedade Brasileira de Pesquisas em Materiais} }