@inproceedings{yuan2015iccl,
  author       = {Yuan, Zhi and Amaya~Moreno, Liana and F{\"u}genschuh, Armin and Kaier, Anton and Schlobach, Swen},
  editor       = {Corman, F. and others},
  title        = {Discrete Speed in Vertical Flight Planning},
  booktitle    = {Proceedings of International Conference on Computational Logistics},
  series       = {Lecture Notes in Computer Science},
  volume       = {9335},
  pages        = {734--749},
  year         = {2015},
  publisher    = {Springer}
}