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Zur wirtschaftlichen Lage der DB AG
Böttger, Christian, (2016)
Comment on: effects of the elimination of train path charges on the competition between bus and train : development of travel activities and the choice of means of transport in German long-distance passenger transport (by Christian Burgdorf, Alexander Eisenkopf and Andreas Knorr)
Böttger, Christian, (2019)
Information acquisition by middlemen : evaluation of firms by loan officers
Mitusch, Kay, (1995)