@INPROCEEDINGS {11222,
author={R. A. Sá Ferreira and  Vicente and V.R. Fernandes and L. Carlos and P.S André and E. Pecoraro and V. Bermudez},
doi={},
booktitle={Materials Research Society Symp.},
title={Silica-on-silicon high rejection filters using organic-inorganic hybrids },
year={2011},
month={April},
volume={-},
pages={---} 
}