The next paper in this series is the following one in which Milton and I show that an exact result is obtained in thermoporoelasticity of composite rocks by doing a simple thought experiment:

J. G. Berryman and G. W. Milton, ``Exact results in linear thermomechanics of fluid-saturated porous media,'' Appl. Phys. Lett. 61, 2030-2032 (1992).