On the analysis of band 3 of the ISO–SWS calibration sources R. Van Malderen, L. Decin, D. Kester, B. Vandenbussche, C. Waelkens, J. Cami and R. F. Shipman A&A, 414 2 (2004) 677-697 Published online: 19 January 2004 DOI: 10.1051/0004-6361:20031579