@article{sparovek_de maria_2003,  title={Multiperspective analysis of erosion tolerance},  volume={60},  ISSN={0103-9016},  url={https://doi.org/10.1590/S0103-90162003000200029},  DOI={10.1590/S0103-90162003000200029},  number={2},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Sparovek, Gerd and De Maria, Isabella Clerici},  year={2003},  pages={409–416} }