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