Spectroscopic observations of eight supernovae at intermediate redshift C. Balland, M. Mouchet, R. Amanullah, P. Astier, S. Fabbro, G. Folatelli, G. Garavini, A. Goobar, D. Hardin, M. J. Irwin et al. (9 more) A&A, 464 3 (2007) 827-836 Published online: 19 December 2006 DOI: 10.1051/0004-6361:20066553