@article{wolek2016energy,
  title={Energy-optimal paths for a glider with speed and load factor controls},
  author={Wolek, Artur and Cliff, Eugene M and Woolsey, Craig A},
  journal={Journal of Guidance, Control, and Dynamics},
  volume={39},
  number={2},
  pages={397--408},
  year={2016},
  publisher={American Institute of Aeronautics and Astronautics},
  doi={10.2514/1.G001345}
}