Dear colleagues, I just updated the web page of our working group. All the talks that were given yesterday (friday) are now available. Thanks to all speakers, Amities, Michel *** Michel GUIDAL Institut de Physique Nucleaire Bat 100 - M052 91406 ORSAY Cedex Tel: (33) 01 69 15 73 21 Fax: (33) 01 69 15 64 70 E-mail: guidal at ipno.in2p3.fr ***