[en] The main topics discussed are: safety and economics of large FBRs and the corresponding fuel cycle; safety and economics of medium-sized (500 MWe) and small (100 MWe) HTRs including direct disposal of spent HTR fuel; laser enrichment on a medium scale to investigate the potential of the molecular process; reprocessing and recycling: development of advanced technologies with regard to safety and radiation protection; waste management and final disposal: investigation and demonstration of final storage of medium- and high-level wastes, investigation of the Gorleben salt dome; LWR safety research