The Belgian repository of fundamental atomic data and stellar spectra (BRASS) - I. Cross-matching atomic databases of astrophysical interestM. Laverick, A. Lobel, T. Merle, P. Royer, C. Martayan, M. David, H. Hensberge and E. ThienpontA&A, 612 (2018) A60DOI: https://doi.org/10.1051/0004-6361/201731933