Krężołek, D. 2018. Selected GARCH‑type Models in the Metals Market – Backtesting of Value‑at‑Risk. Acta Universitatis Lodziensis. Folia Oeconomica. 5, 331 (Jan. 2018), 185–203. DOI:https://doi.org/10.18778/0208-6018.331.12.