@conference{Chiang:1997:GEO,
	author={Yi-Jen Chiang, James T. Klosowski, Changkil Lee, and Joseph S.B. Mitchell},
	booktitle={IEEE Conference on Decision and Control},
	pages=1835-1840,
	title={Geometric Algorithms for Conflict Detection/Resolution in Air Traffic Management},
	volume=2,
	year=1997,
}