Integral field spectroscopy of SN 2002er with PMAS L. Christensen, T. Becker, K. Jahnke, A. Kelz, M. M. Roth, S. F. Sánchez and L. Wisotzki A&A, 401 2 (2003) 479-482 Published online: 21 March 2003 DOI: 10.1051/0004-6361:20030015