@article{leão_gentry_2011,  title={Numerical modeling of the effect of variation of boundary conditions on vadose zone hydraulic properties},  volume={35},  ISSN={0100-0683},  url={https://doi.org/10.1590/S0100-06832011000100025},  DOI={10.1590/S0100-06832011000100025},  number={1},  journal={Revista Brasileira de Ciência do Solo},  publisher={Sociedade Brasileira de Ciência do Solo},  author={Leão, Tairone Paiva and Gentry, Randall},  year={2011},  month={Jan},  pages={263–272} }