Rusch, Thomas and Mair, Patrick and Hatzinger, Reinhold (2013) Psychometrics with R: A review of CRAN packages for item response theory. Discussion Paper Series / Center for Empirical Research Methods, 2013/2. WU Vienna University of Economics and Business, Vienna.
Sirsch, Ulrike and Gottlieb, Andreas and Rusch, Thomas and Formann, Anton K. (2013) Schulleistung in Deutsch und ethnische Zusammensetzung der Schülerpopulation. Discussion Paper Series / Center for Empirical Research Methods, 2013/1. WU Vienna University of Economics and Business, Vienna.