* CERTI Authors and contributors: M. Adelantado, P. Bieber, S. Bonnet,
B. Bréholée, P. Desseaux, F. Fayet, P. Gotthard, A. Harzi, Ph. Hautesserres, M. Joubert
J. Latour, S. Lemanceau, J.M. Mathé, P. Nortier, E. Noulard, S. Prunet, 
V. Raulet, J.-Y. Rousselot, P. Siron, C. Stenzel, P. Torguet, G. Zanon
