@inproceedings{STOC-2003-AmirKR,
	author        = "Eyal Amir and Robert Krauthgamer and Satish Rao",
	booktitle     = "{Proceedings of the 35th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/780542.780557",
	isbn          = "1-58113-674-9",
	pages         = "90--99",
	publisher     = "{ACM}",
	title         = "{Constant factor approximation of vertex-cuts in planar graphs}",
	year          = 2003,
}