1. Base course drainage for airport pavements;Cassagrande;Trans. A.S.C.E.,1952
2. An experimental study of the flow of water through coarse granular media;Dudgeon;Houille Blanche,1966
3. Wasserbewegung durch Boden;Forchheimer;Z. Ver. Dtsch. Ing.,1901
4. Flow through rockfill;Leps,1970
5. Embankment drainage after instantaneous drawdown;Newlin;J. Soil Mech. Found. Eng. Div., A.S.C.E.,1967