1. S. Forest and E. Lorentz, in Local approach to fracture, edited by J. Besson (Les Presses de l’É cole des Mines, Paris, 2004), pp. 311–370.
2. Gradient-dependent plasticity: Formulation and algorithmic aspects
3. R. H. J. Peerlings, R. de Borst, W. A. M. Brekelmans, J. H. P. de Vree, and I. Spee, Eur. J. Mech. A/Solids 15, 937–953 (1996).
4. Theory and numerics of a thermodynamically consistent framework for geometrically linear gradient plasticity
5. L. J. Sluys, “Wave propagation, localization and dispersion in softening solids,” Ph.D. dissertation, Delft University of Technology, Delft 1992.