In Presented at the Centre of Mathematics for Applications, Oslo, 2003.
In Talk presented at SIAM Conference on Mathematical and Computational Issues in the Geosciences (GS0 3), March 17-20, 2003, Austin, Texas., 2003.
In Presented at the European Conference on Numerical Mathematics and Advanced Applications, Prague, Czech Republic, 2003.
In Presented at the 21st CAD-FEM users' meeting 2003 - International congress on FEM technology, Potsdam, Germany, 2003.
Simula Research Laboratory, 2002.
In Invited minisymposium talk at the 20th CAD-FEM User's Meeting, Friedrichshafen, Germany, 2002.