1. A pragmatic approach to the annual operation of a coastal aquifer;Bachmat,1974
2. Dynamics of Fluids in Porous Media;Bear,1972
3. Queuing theory and water storage;Langbein;J. Hydraul. Div., Am. Soc. Civ. Eng.,1958
4. Frequency of natural events;Riggs;J. Hydraul. Div., Am. Soc. Civ. Eng.,1961
5. Statistics. Schaum's Outline Series;Spiegel,1961