@article{bezerra_2006,  title={On some classical and quantum effects due to gravitational fields},  volume={36},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332006000200006},  DOI={10.1590/S0103-97332006000200006},  number={1b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Bezerra, V. B.},  year={2006},  month={Mar},  pages={141–156} }