1. Jacob Bear . 1972 . Dynamics of Fluids in Porous Media . Dover Publications, New York. 764 pp.
2. Jacob Bear . 1979 . Hydraulics of Groundwater . McGraw-Hill, New York. 569 pp.
3. Camp Dresser & McKee, Inc., 1984 . Dynflow: A Three Dimensional Finite Element Groundwater Flow Model. Boston. 227 pp.
4. Camp Dresser & McKee, Inc., 1984 . Dyntrack: A Three Dimensional Contaminant Transport Model for Groundwater Studies. Boston. 177 pp.
5. Gedeon Dagan . 1966 . Spacing of drains by an approximate method. Proc. Amer. Soc. Civil Eng., Irrigation and Drainage Div. no. IR1, 90, pp.41 -66 .