@article{vieira_paz gonzalez_2003,  title={Analysis of the spatial variability of crop yield and soil properties in small agricultural plots},  volume={62},  ISSN={0006-8705},  url={https://doi.org/10.1590/S0006-87052003000100016},  DOI={10.1590/S0006-87052003000100016},  number={1},  journal={Bragantia},  publisher={Instituto Agronômico de Campinas},  author={Vieira, Sidney Rosa and Paz Gonzalez, Antonio},  year={2003},  pages={127–138} }