1. The fuel element of the HTR-module, a prerequisite of an inherently safe reactor
2. Fission product release profiles from spherical HTR fuel elements at accident temperatures;Schenk,1988
3. Post irradiation testing of high temperature reactor spherical fuel elements under accident conditions;Freis,2008
4. Description of fuel behavior performance used in the German licensing procedures for the HTR-module;Ragoß,1989