Optical and near infrared observations of SN 1998bu J. Spyromilio, R. Gilmozzi, J. Sollerman, B. Leibundgut, C. Fransson and J.-G. Cuby A&A, 426 2 (2004) 547-553 Published online: 11 October 2004 DOI: 10.1051/0004-6361:20040570