The brightness of SN 1991T and the uniformity of decline-rate and colour corrected absolute magnitudes of supernovae IaT. Richtler, J. B. Jensen, J. Tonry, B. Barris and G. DrenkhahnA&A, 368 2 (2001) 391-397DOI: https://doi.org/10.1051/0004-6361:20000104