%% -*-BibTeX-*- @InCollection{BorndoerferGroetschelLoebel1998, author = "Ralf Bornd{\"o}rfer and Martin Gr{\"o}tschel and Andreas L{\"o}bel", editor = "Paul Leo Butzer and Hubertus Th. Jongen and Walter Oberschelp", booktitle = "Charlemagne and his Heritage: 1200 Years of Civilization and Science in Europe", title = "Alcuin's Transportation Problems and Integer Programming", volume = "2: The Mathematical Arts", publisher = "Brepols", address = "Turnhout", pages = "379--309", year = "1998", note = "ZIB Preprint SC-95-27", URL = "http://opus.kobv.de/zib/volltexte/1995/193/", language = "English", }