@TechReport{HeiSS09,
  author =	 {Stefan Heinz and Thomas Schlechte and R\"udiger Stephan},
  title =	 {Solving Steel Mill Slab Problems with Branch-and-Price},
  type =	 {ZIB-Report},
  institution =	 {Zuse Institute Berlin},
  year =	 {2009},
  number =	 {09-14}
}