@unpublished{publication-23610,
	author={Bell, David R and Ledoit, Olivier and Wolf, Michael},
	institution={University of Zurich},
	issn={1664-7041},
	number=431,
	pages=26,
	series={Working paper series / Department of Economics},
	title={A novel estimator of earth's curvature (allowing for inference as well)},
	year=2023,
}