@article{marletta_guimarães_faria_2002,  title={Line shape of emission spectra of the luminescent polymer poly(p-phenylene vinylene)},  volume={32},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332002000300018},  DOI={10.1590/S0103-97332002000300018},  number={2b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Marletta, A. and Guimarães, F. E. G. and Faria, R. M.},  year={2002},  month={Jun},  pages={570–574} }