Martin Price eunis@reading.ac.uk
Jean-François Desnos Jean-Francois.Desnos@grenet.fr phone: +33 47663 5748 , fax: +33 47642 1171
Yves Epelboin Yves.Epelboin@upmc.fr phone: +33 1 4427 6568 , fax : +33 1 4427 6544