@article {490,
	title = {Distributed PDOP Coverage Control: Providing Large-Scale Positioning Service Using a Multi-Robot System},
	journal = {IEEE Robotics and Automation Letters},
	volume = {6},
	year = {2021},
	month = {apr},
	pages = {2217{\textendash}2224},
	doi = {10.1109/lra.2021.3059625},
	url = {https://doi.org/10.1109\%2Flra.2021.3059625},
	author = {Liang Zhang and Zexu Zhang and Roland Siegwart and Jen Jen Chung}
}
