Editor: Philippe Jourdan

Articles of Ph. Jourdan, S. Long, N. Chiarelli, J-G. Chiarelli, M-A. Simons, H.B.M Van de Wiel, A. Anis Charfi, P. Volle, J-Ph. Danglade, F. Blanc, Ph. Chassagne, B. Guillon, Ph. Brion.