TY - BOOK AU - Richard L. Cooley. TI - A Modular Finite-Element Model (MODFE) For Areal & Axisymmetric Grd.-Water Flow Prblems, Pt. 2: Derivation of Finite-Element Equations & Comparisions With Analytical Solutions PY - 0000///[date of publication not identified] CY - US Govt. Printing Off. N1 - Bk. 6 ER -