@article{ribeiro_horta_alencastro_2008,  title={MKTOP: a program for automatic construction of molecular topologies},  volume={19},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532008000700031},  DOI={10.1590/S0103-50532008000700031},  number={7},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Ribeiro, André A. S. T. and Horta, Bruno A. C. and Alencastro, Ricardo B. de},  year={2008},  pages={1433–1435} }