1. Boundary Element Techniques in Engineering;Brebbia,1980
2. Boundary Element Methods in Engineering Science;Banerjee,1981
3. New Developments in Elastoplastic Analysis;Telles,1981
4. Elastic-Plastic Boundary Element Analysis as a Linear Complementarity Problem;Maier,1982
5. L. Corradi, “On Compatible Finite Element Models for Elastoplastic Analysis”, Meccanica, 13, p.133–150.