[1] Siempelkamp Nukl Tech GmbH, D-47803 Krefeld, Germany
[2] Forschungszentrum Karlsruhe, Programme Nucl Safety Res NUKLEAR, D-76344 Eggenstein Leopoldshafen, Germany
[3] Ruhr Univ Bochum, Inst Energy Engn IE, Energy Syst & Energy Econ LEE, D-44801 Bochum, Germany
[4] TUV NORD SysTec GmbH & Co KG, D-22525 Hamburg, Germany