1. P. L. A. Barros, ‘‘A Coulomb-type solution for active earth thrust with seepage,’’ Geotechnique 56, 159–164 (2006).
2. M. I. Gurevich, Theory of Jets in Ideal Fluids (Academic, New York, 1965).
3. T. W. Lambe and R. V. Whitman, Soil Mechanics (Wiley, New York, 1969).
4. L. Lewin, Polylogarithms and Associated Functions (North-Holland, New York, 1981).
5. P. Ya. Polubarinova-Kochina, Theory of Ground Water Movement (Princeton Univ. Press, Princeton, NJ, 1962).