@article{almeida_lunardi neto_vidal-torrado_2015,  title={Sombric horizon: five decades without evolution},  volume={72},  ISSN={0103-9016},  url={https://doi.org/10.1590/0103-9016-2014-0111},  DOI={10.1590/0103-9016-2014-0111},  number={1},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Almeida, Jaime Antonio de and Lunardi Neto, Antônio and Vidal-Torrado, Pablo},  year={2015},  month={Jan},  pages={87–95} }