@article{hu_shao_wang_fan_reichardt_2008,  title={Spatial variability of soil hydraulic properties on a steep slope in the loess plateau of China},  volume={65},  ISSN={0103-9016},  url={https://doi.org/10.1590/S0103-90162008000300007},  DOI={10.1590/S0103-90162008000300007},  number={3},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Hu, Wei and Shao, Ming An and Wang, Quan Jiu and Fan, Jun and Reichardt, Klaus},  year={2008},  pages={268–276} }