@article{ErdmannNolteNoltemeieretal.2001,
  author    = {A. Erdmann and A. Nolte and A. Noltemeier and R. Schrader},
  title     = {Modeling and Solving an Airline Schedule Generation Problem},
  journal   = {Annals of Operations Research},
  volume    = {107},
  pages     = {117 -- 142},
  year      = {2001},
}