Spectral modeling of type II supernovae - II. A machine-learning approach to quantitative spectroscopic analysisC. Vogl, W. E. Kerzendorf, S. A. Sim, U. M. Noebauer, S. Lietzau and W. HillebrandtA&A, 633 (2020) A88DOI: https://doi.org/10.1051/0004-6361/201936137