@unpublished{TUW-226022, author = {Kyn{\&}{\#}269;lov{\'a}, Petra and Filzmoser, Peter and Hron, Karel}, title = {How to Model Compositional Time Series from the Official Statistics Chair:}, year = {2013}, note = {talk: {\"O}sterreichische Statistiktage 2013, Statistik Austria, Wien; 2013-10-23} }