Safety assessments and severe accidents, impact of external events on nuclear power plants and on mitigation strategiesJean-Pierre Van Dorsselaere, Ahmed Bentaib, Thierry Albiol, Florian Fichot, Alexei Miassoedov, Joerg Starflinger, Holger Nowack and Gisela NiedermayerEPJ Nuclear Sci. Technol., 6 (2020) 39DOI: https://doi.org/10.1051/epjn/2019010