P. S. Donzelli

A Mixed-Penalty Biphasic Finite Element Formulation Incorporating Viscous Fluids and Material Interfaces

R. L. Spilker, P. Donzelli, R. Spilker, 2000, Annals of Biomedical Engineering.

Automated adaptive analysis of the biphasic equations for soft tissue mechanics using a posteriori error indicators

Mark S. Shephard, Robert L. Spilker, Peggy L. Baehmann, 1992 .