Billhardt, HolgerFernández Gil, AlbertoOssowski, Sascha2023-01-162023-01-162023https://hdl.handle.net/10115/20929spaAtribución-CompartirIgual 4.0 Internacionalhttp://creativecommons.org/licenses/by-sa/4.0/Learning Objectinfo:eu-repo/semantics/openAccess