1. A method of evaluating border irrigation layouts;Criddle,1951
2. Drainage investigation methods for irrigated areas in western United States;Donnan,1952
3. Relative infiltration and related physical characteristics of certain soils;Free,1940
4. Studies of the permeability of soils in relation to irrigation (translated title);Muntz;Annales de la direction de l'hydraulique agricoles),1908
5. Capillary conductivity of liquids through porous mediums;Richards;Physics,1931