@article{braga_ribeiro_2012,  title={Obituário de Sonia Machado de Campos Dietrich},  volume={39},  ISSN={2236-8906},  url={https://doi.org/10.1590/S2236-89062012000200001},  DOI={10.1590/S2236-89062012000200001},  number={2},  journal={Hoehnea},  publisher={Instituto de Pesquisas Ambientais},  author={Braga, Márcia R. and Ribeiro, Rita de Cássia L. Figueiredo},  year={2012},  month={Jun},  pages={169–170} }