@unpublished{rechberger05[TUW-146643], author = {Rechberger, Helmut}, title = {{R}essourcenmanagement und {S}toffbuchhaltung}, year = {2005}, note = {eingeladen; {V}ortrag: {N}achhaltiges {W}irtschaften und {R}essourcenmanagement, {W}ien; 2005-06-15} }