@ARTICLE {19034,
author={C. Vicente and L Fu and P.S André and V. Bermudez and M.R. Ferreira},
doi={10.1007/s11082-016-0661-4},
journal={Optical and Quantum Electronics},
title={Fabrication and optical properties of thin films with sol–gel derived di-ureasils doped with Disperse Red 1},
year={2016},
month={July},
volume={48},
number={8},
pages={1-13},
ISSN={0306-8919}
}