@inproceedings{STOC-1994-Poutre,
	author        = "Johannes A. La Poutré",
	booktitle     = "{Proceedings of the 26th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/195058.195439",
	isbn          = "0-89791-663-8",
	pages         = "706--715",
	publisher     = "{ACM}",
	title         = "{Alpha-algorithms for incremental planarity testing}",
	year          = 1994,
}