@unpublished{kral20[TUW-290795], author = {Kral, Ulrich and Heuss-A{\ss}bichler, Soraya and Rechberger, Helmut}, title = {{C}ircular economy and the need for safe sinks}, year = {2020}, note = {{V}ortrag: {I}nternational {C}onference on {M}anagement of {N}aturally {O}ccurring {R}adioactive {M}aterial ({N}{O}{R}{M}) in {I}ndustry, {V}ienna; 2020-10-19 -- 2020-10-23} }