@misc{indiciaed3fa102940c1,
  title = {A multilevel cost-space approach to solving the balanced long transportation problem},
  author = {Cavanaugh, Kevin J. and Henson, Van Emden},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940019205},
  note = {Source identifier: 19940019205}
}