A high-precision abundance analysis of the nuclear benchmark star HD 20Michael Hanke, Camilla Juul Hansen, Hans-Günter Ludwig, Sergio Cristallo, Andrew McWilliam, Eva K. Grebel and Luciano PiersantiA&A, 635 (2020) A104DOI: https://doi.org/10.1051/0004-6361/201937189
