The progenitor mass of the Type IIP supernova SN 2004et from late-time spectral modelingA. Jerkstrand, C. Fransson, K. Maguire, S. Smartt, M. Ergon and J. SpyromilioA&A, 546 (2012) A28DOI: https://doi.org/10.1051/0004-6361/201219528