IFU observations of the GRB 980425/SN 1998bw host galaxy: emission line ratios in GRB regionsL. Christensen, P. M. Vreeswijk, J. Sollerman, C. C. Thöne, E. Le Floc'h and K. WiersemaA&A, 490 1 (2008) 45-59DOI: https://doi.org/10.1051/0004-6361:200809896