Optimal control of plotting and drilling machines: A case study

@article{Grtschel1991OptimalCO,
  title={Optimal control of plotting and drilling machines: A case study},
  author={Martin Gr{\"o}tschel and Michael J{\"u}nger and Gerhard Reinelt},
  journal={ZOR - Meth. & Mod. of OR},
  year={1991},
  volume={35},
  pages={61-84}
}