@article{costa_vasconcelos_laine_2002,  title={Synthesis and Characterization of Silsesquioxane-Based Polymer Hybrids with Controlled Structure},  volume={5},  ISSN={1516-1439},  url={https://doi.org/10.1590/S1516-14392002000300005},  DOI={10.1590/S1516-14392002000300005},  number={3},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Costa, Ricardo O.R. and Vasconcelos, Wander L. and Laine, Richard M.},  year={2002},  month={Jul},  pages={247–252} }