@article{melfi_montes_carvalho_forti_2004,  title={Use of pedological maps in the identification of sensitivity of soils to acidic deposition: application to Brazilian soils},  volume={76},  ISSN={0001-3765},  url={https://doi.org/10.1590/S0001-37652004000100012},  DOI={10.1590/S0001-37652004000100012},  number={1},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Melfi, Adolpho J. and Montes, Celia R. and Carvalho, Adilson and Forti, Maria Cristina},  year={2004},  month={Mar},  pages={139–145} }