@techreport{yuanEtal2015do,
  title={Mixed Integer Second-Order Cone Programming for the Horizontal and Vertical Free-flight Planning Problem},
  author={Yuan, Zhi and Amaya~Moreno, Liana and Maolaaisha, Aminnamu and F{\"u}genschuh, Armin and Kaier, Anton and Schlobach, Swen},
  institution={AMOS\#21, Applied Mathematical Optimization Series, Helmut Schmidt University, Hamburg, Germany},
  year={2015}
}