@article{siqueira_dafonte_gonzález_vázquez_armesto_guedes filho_2016,  title={Spatial soil sampling design using apparent soil electrical conductivity measurements},  volume={75},  ISSN={0006-8705},  url={https://doi.org/10.1590/1678-4499.445},  DOI={10.1590/1678-4499.445},  number={4},  journal={Bragantia},  publisher={Instituto Agronômico de Campinas},  author={Siqueira, Glécio Machado and Dafonte, Jorge Dafonte and González, Antonio Paz and Vázquez, Eva Vidal and Armesto, Monteserrat Valcarcel and Guedes Filho, Osvaldo},  year={2016},  month={Oct},  pages={459–473} }