@inproceedings{Holzherr2021efficient,
  author={Holzherr, Luc and F\"orster, Julian and Breyer, Michel and Nieto, Juan and Siegwart, Roland and Chung, Jen Jen},
  title={Efficient multi-scale {POMDPs} for robotic object search and delivery},
  booktitle={2021 IEEE International Conference on Robotics and Automation},
  year={2021},
  pages={6585--6591},
  doi={10.1109/ICRA48506.2021.9561047},
  url={https://doi.org/10.1109/ICRA48506.2021.9561047}
}