@unpublished{rechberger15[TUW-238339], author = {Rechberger, Helmut}, title = {{Z}ero {W}aste {O}ptimum oder {M}aximum?}, year = {2015}, note = {eingeladen; {V}ortrag: {\"{O}}sterreichische {A}bfallwirtschaftstagung 2015, 15.-15. {A}pril 2015, {V}illach; 2015-04-15 -- 2015-04-17} }