Stellar laboratories - X. New Cu IV–VII oscillator strengths and the first detection of copper and indium in hot white dwarfsT. Rauch, S. Gamrath, P. Quinet, M. Demleitner, M. Knörzer, K. Werner and J. W. KrukA&A, 637 (2020) A4DOI: https://doi.org/10.1051/0004-6361/201936620