@unpublished{TUW-226006, author = {Kyn{\&}{\#}269;lov{\'a}, Petra and Filzmoser, Peter and Hron, Karel}, title = {Vector autoregression for compositiona; time series}, year = {2013}, note = {talk: ODAM 2013 - Olomoucian Days of Applied Mathematics, Olomouc, Czech Republic; 2013-06-13} }