An ISO–SWS survey of molecular hydrogen in starburst and Seyfert galaxies D. Rigopoulou, D. Kunze, D. Lutz, R. Genzel and A. F. M. Moorwood A&A, 389 2 (2002) 374-386 Published online: 27 June 2002 DOI: 10.1051/0004-6361:20020607