Text this: Review of soil-water characteristic curve equations

  _  __   __   __    _____     _____    _    _   
 | |/ //  \ \\/ //  / ____||  |  ___|| | || | || 
 | ' //    \ ` //  / //---`'  | ||__   | || | || 
 | . \\     | ||   \ \\___    | ||__   | \\_/ || 
 |_|\_\\    |_||    \_____||  |_____||  \____//  
 `-` --`    `-`'     `----`   `-----`    `---`