%% -*-BibTeX-*- @TechReport{GroetschelPadberg1993, author = "Martin Gr{\"o}tschel and Manfred W. Padberg", title = "Ulysses 2000: In Search of Optimal Solutions to Hard Combinatorial Problems", type = "SC", number = "93-34", institution = "Zuse Institute Berlin", month = nov, year = "1993", language = "English", seealso = "GroetschelPadberg1999a,GroetschelPadberg2001a,GroetschelPadberg2001b", }