Remson, Irwin. Numerical methods in subsurface hydrology, with an introduction to the finite element method [by] Irwin Remson, George M. Hornberger [and] Fred J. Molz. - New York : Wiley-Interscience , c1971. - xvi, 389 p. ; 24 cm. Includes bibliographies and index. ISBN: 0471716502 Subjects--Topical Terms: Groundwater.Numerical analysis. Dewey Class. No.: 551.49015194 / REN