@article{champi_marques_2006,  title={Mechanical and vibrational properties of carbon nitride alloys},  volume={36},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332006000300062},  DOI={10.1590/S0103-97332006000300062},  number={2a},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Champi, A. and Marques, F. C.},  year={2006},  month={Jun},  pages={462–465} }