@article{330,
  author = {Samir Elhedhli and Huyu Wu},
  title = {A Lagrangean heuristic for hub-and-spoke system design with capacity selection and congestion},
  year = {2010},
  journal = {INFORMS Journal on Computing},
  volume = {22},
  number = {2},
  pages = {282-296},
  publisher = {INFORMS},
}