@inproceedings{STOC-1987-Frederickson,
	author        = "Greg N. Frederickson",
	booktitle     = "{Proceedings of the 19th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/28395.28398",
	isbn          = "0-89791-221-7",
	pages         = "19--28",
	publisher     = "{ACM}",
	title         = "{A New Approach to All Pairs Shortest Paths in Planar Graphs}",
	year          = 1987,
}