1. Naturally Fractured Reservoirs;Aguilera,1980
2. Invasion Revisited;Allen;Schlumberger Oilfield Review,1991
3. Resistivity Profiling with a Multi-Frequency Induction Sonde;Allen,1987
4. The Convergence of Upstream Collocation in the Buckley-Leverett Problem;Allen,1982
5. Numerical Methods for Partial Differential Equations;Ames,1977