@article{borges_marletta_faria_guimarães_2004,  title={Vibrational structure of organic semiconductors: the role of conjugation length},  volume={34},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332004000400013},  DOI={10.1590/S0103-97332004000400013},  number={2b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Borges, C. A. M. and Marletta, A. and Faria, R. M. and Guimarães, F. E. G.},  year={2004},  month={Jun},  pages={590–592} }