Infrared emission towards SN 1987A 11 years after outburst: Measurements with ISOCAM Jg. Fischera, R. J. Tuffs and H. J. Völk A&A, 386 2 (2002) 517-530 Published online: 15 May 2002 DOI: 10.1051/0004-6361:20020247