TY - RPRT TI - Finite difference model for aquifer simulation in two dimensions with results of numerical experiments AU - Peter C. Trescott AU - George Francis Pinder AU - S. P. Larson PY - 1976 DO - 10.3133/twri07c1 UR - https://pubs.usgs.gov/publication/twri07C1 ID - twri07C1 ER -