Broadband infrared photometry of comet Hale-Bopp with ISOPHOT E. Grün, M. S. Hanner, S. B. Peschke, T. Müller, H. Boehnhardt, T. Y. Brooke, H. Campins, J. Crovisier, C. Delahodde, I. Heinrichsen et al. (14 more) A&A, 377 3 (2001) 1098-1118 Published online: 15 October 2001 DOI: 10.1051/0004-6361:20011139