@article{sánchez_croal_2012,  title={Environmental impact assessment, from Rio-92 to Rio+20 and beyond},  volume={15},  ISSN={1414-753X},  url={https://doi.org/10.1590/S1414-753X2012000300004},  DOI={10.1590/S1414-753X2012000300004},  number={3},  journal={Ambiente & Sociedade},  publisher={ANPPAS - Revista Ambiente e Sociedade},  author={Sánchez, Luis E. and Croal, Peter},  year={2012},  month={Sep},  pages={41–54} }