High-redshift supernova rates measured with the gravitational telescope A 1689 T. Petrushevska, R. Amanullah, A. Goobar, S. Fabbro, J. Johansson, T. Kjellsson, C. Lidman, K. Paech, J. Richard, H. Dahle et al. (5 more) A&A, 594 (2016) A54 Published online: 13 October 2016 DOI: 10.1051/0004-6361/201628925