Hassanizadeh, S., M. Celia, and H. Dahle. “Dynamic Effect in Capillary Pressure- Saturation Relationship and Its Impact on Unsaturated Flow”. Journal of Agricultural and Marine Sciences [JAMS], vol. 7, no. 2, June 2002, pp. 69-71, https://journals.squ.edu.om/index.php/jams/article/view/604.