@article{storck_kobata_brum_soares_modolo_assmann_2016,  title={Sampling plan for using a motorized penetrometer in soil compaction evaluation},  volume={20},  ISSN={1415-4366},  url={https://doi.org/10.1590/1807-1929/agriambi.v20n3p250-255},  DOI={10.1590/1807-1929/agriambi.v20n3p250-255},  number={3},  journal={Revista Brasileira de Engenharia Agrícola e Ambiental},  publisher={Unidade Acadêmica de Engenharia Agrícola},  author={Storck, Lindolfo and Kobata, Sarha G. K. and Brum, Betania and Soares, André B. and Modolo, Alcir J. and Assmann, Tangriani S.},  year={2016},  month={Mar},  pages={250–255} }