@article{silva_2000,  title={Application of factorial design for the ab initio study of cis- and trans-1,2 dihaloethylene stabilities},  volume={11},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532000000300003},  DOI={10.1590/S0103-50532000000300003},  number={3},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Silva, João Bosco P. da},  year={2000},  month={May},  pages={219–223} }