Paul A. Witherspoon
- Variational Principles for Fluid Flow in Porous Media. Dans: Journal of the Engineering Mechanics Division (ASCE), v. 97, n. 2 (avril 1971). (1971):
- Stress‐Fluid Flow Analysis of Fractured Rocks. Dans: Journal of Engineering Mechanics (ASCE), v. 109, n. 1 (janvier - février 1983). (1983):