H2 formation and excitation in the diffuse interstellar medium C. Gry, F. Boulanger, C. Nehmé, G. Pineau des Forêts, E. Habart and E. Falgarone A&A, 391 2 (2002) 675-680 Published online: 02 August 2002 DOI: 10.1051/0004-6361:20020691