1. Physical properties of media composed of peanut hulls, pine bark and peat moss and their effect on azalea growth;Bilderback;Journal of the American Society for Horticultural Science,1982
2. Brooks RH Corey AT 1964 Hydraulic properties of porous media
3. Relative permeability calculations from pore-size distribution data;Burdine;Transactions of American Institute of Mining and Metallurgical Engineers,1953
4. Recent advances in the study of water movement in unsaturated soils;Childs;Transactions of 6 th International Congress of Soil Science B,1956