http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Studies of the physical processes responsible for soil water movement
prepared by D.R. Nielsen ... for Meteorology Department, U.S. Army Electronics Research and Development Activity, Fort Huachuca, Arizona.
Appendix. The dependence of soil water uptake and release upon the applied pressure increment / by James Melvin Davidson. Thesis--(Ph. D.)--University of California, Davis, 1965.
Dependence of soil water uptake and release upon the applied pressure increment