@INPROCEEDINGS {8532,
author={M.R. Ferreira and C. Vicente and E. Pecoraro and P.S André and R.N.  Nogueira and N. Wada},
doi={},
booktitle={Hybrid Materials Conf.},
title={Zirconium Modified Di-ureasils Organic-Inorganic Hybrids as Substrates for Waveguide and Bragg Gratings Patterned via Direct Laser Writing and Nano Imprint Lithography},
year={2009},
month={March},
volume={1},
pages={B1125-B1125} 
}