1998 journal article
An elastoplasticity model for antiplane shearing with a non-associative flow rule: Genuine nonlinearity of plastic waves
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, 219(2), 344–363.
1997 journal article
Plane shear waves in a fully saturated granular medium with velocity and stress controlled boundary conditions
INTERNATIONAL JOURNAL OF NON-LINEAR MECHANICS, 32(3), 489–503.