Biblio
“Preferential flow in homogeneous sandy soils without layering”, Paper-American Society of Agricultural Engineers (USA), 1989.
, “Flow regimes in sandy soils with inclined layers”, Proceedings of 10th Annual AGU-Hydrology Days, Colorado State University, Fort Collins, April, pp. 10–12, 1990.
, “Hydrology and the Environment.”, New York's Food and Life Sciences Quarterly, vol. 20, pp. 15–19, 1990.
“XX, Chen, Flow regimes in sandy soils with inclined layers, Hydrology Days, H”, Morel-Seytoux, Ed., AGU Pub, vol. 10, pp. 78–94, 1990.
, “Infiltration and ponding”, Water Interactions with Energy, Environment, Food and Agriculture-Volume II, p. 245, 2009.