@article{giacomin_vasconcelos_silva_2008,  title={A distributed measurement system to estimate plant water content in agricultural fields based on wireless sensor networks},  volume={19},  ISSN={0103-1759},  url={https://doi.org/10.1590/S0103-17592008000400001},  DOI={10.1590/S0103-17592008000400001},  number={4},  journal={Sba: Controle & Automação Sociedade Brasileira de Automatica},  publisher={Sociedade Brasileira de Automática},  author={Giacomin, João C. and Vasconcelos, Flávio H. and Silva, Elson J.},  year={2008},  month={Dec},  pages={367–378} }