Oswaldo Luiz do Valle Costa, Escola Politécnica da USP, Universidade de Sao Paulo, has visited F. Dufour (2 weeks).

F. Dufour has visited Oswaldo Luiz do Valle Costa, Escola Politécnica da USP, Universidade de Sao Paulo (2 weeks).

F. Dufour has visited Alexey Piunovskiy, University of Liverpool (2 weeks).

Alexey Piunovskiy, University of Liverpool, has visited F. Dufour (2 weeks).

Tomas Prieto-Rumeau, University of Madrid, has visited F. Dufour (2 weeks).

Richard Stockbridge, University of Wisconsin, Milwaukee, has visited F. Dufour (2 weeks).

F. Dufour has visited Richard Stockbridge, University of Wisconsin, Milwaukeel (2 weeks).