@ARTICLE {2692, author={M. Fernandes and M. Gonçalves and V. Bermudez and R. A. Sá Ferreira and L. D. Carlos and A. Charas and J. Morgado}, doi={10.1016/j.jallcom.2007.04.237}, journal={Journal of Alloys and Compounds}, title={Optical material composed of a di-urethanesil host hybrid and a europium complex}, year={2008}, month={February}, volume={451}, number={1-2}, pages={201-205}, ISSN={0925-8388} }