Klapper, MatthiasWenzel, Thomas2004-12-062004-12-061998http://hdl.handle.net/2003/484110.17877/DE290R-16150The data used by Makridakis et al. (1982) is presented and explained. It contains forecasts that can be combined.enUniversitätsbibliothek Dortmundcombination of forecastsM-competition310report