@article{marques_bezerra_2005,  title={Some effects on quantum systems due to the gravitational field of a topological defect},  volume={35},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332005000700021},  DOI={10.1590/S0103-97332005000700021},  number={4b},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Marques, Geusa de A. and Bezerra, V. B.},  year={2005},  month={Dec},  pages={1096–1098} }