Infrared integral field spectroscopy of SN 1987A K. Kjær, B. Leibundgut, C. Fransson, P. Gröningsson, J. Spyromilio and M. Kissler-Patig A&A, 471 2 (2007) 617-624 Published online: 12 June 2007 DOI: 10.1051/0004-6361:20077561