Journal article (2015) - CC Laczny (author) , T Sternal (author) , P Wilmes (author) , V Plugaru (author) , EA Hendriks (author) , P Gawron (author) , A Atashpendar (author) , HH Margossian (author) , S Coronado (author) , L.J.P. van der Maaten (author) , N Vlassis (author)