@article{baumbach_prado filho_fonseca_2013,  title={Environmental management in small mining enterprises: comparative analysis of three Brazilian cases through the lenses of ISO 14001},  volume={66},  ISSN={0370-4467},  url={https://doi.org/10.1590/S0370-44672013000100015},  DOI={10.1590/S0370-44672013000100015},  number={1},  journal={Rem: Revista Escola de Minas},  publisher={Escola de Minas},  author={Baumbach, Miriam de Oliveira and Prado Filho, José Francisco do and Fonseca, Alberto},  year={2013},  month={Jan},  pages={111–116} }