@unpublished{rechberger20[TUW-291736], author = {Rechberger, Helmut}, title = {{O}ptimization of {P}hosphorus stocks and flows in {A}ustria}, year = {2020}, note = {eingeladen; {V}ortrag: {I}{S}{I}{E} {S}ocioeconomic {M}etabolism {S}ection perpetual online conference, {W}ien; 2020-11-27} }