@article{Groetschel1996, author = {Martin Gr{\"o}tschel}, title = {Den Kohl heile r{\"u}berbringen … - Mathematische Methoden der Transportoptimierung}, journal = {Unsere-Duisburger-Hochschule-Zeitschrift}, volume = {48}, number = {1}, pages = {15 -- 17}, year = {1996}, }