Novel distance indicator for gamma-ray bursts associated with supernovae G. B. Pisani, L. Izzo, R. Ruffini, C. L. Bianco, M. Muccino, A. V. Penacchioni, J. A. Rueda and Y. Wang A&A, 552 (2013) L5 Published online: 25 March 2013 DOI: 10.1051/0004-6361/201220829