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CONFERENCE PROCEEDINGS

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• ON THE LACK OF SYMMETRY IN MATERIALS

Trends in Computational Structural Mechanics, Schloss Hofen, Austria, May 20-23, 2001.

W.A. Wall, K.U. Bletzinger and K. Schweizerhof (Eds.)

International Center for Numerical Methods in Engineering,

CIMNE-UPC, Barcelona, 2001, pp. 233-242.

• A two-surface anisotropic damage/plasticity model for plain concrete

Proceedings of Framcos-4 Conference, Paris, May 28-31, 2001.

Fracture Mechanics of Concrete Materials,

R. de Borst (Ed.), A.A. Balkema, Rotterdam, 2001, pp. 549-556.