1999 journal article
Wave speeds for an elastoplastic model for two-dimensional deformations with a nonassociative flow rule
Quarterly of Applied Mathematics, 57(2), 245–259.
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
International Journal of Non-Linear Mechanics, 32(1997), 489–503.