@inproceedings{STOC-1990-KaoK,
	author        = "Ming-Yang Kao and Philip N. Klein",
	booktitle     = "{Proceedings of the 22nd Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/100216.100237",
	isbn          = "0-89791-361-2",
	pages         = "181--192",
	publisher     = "{ACM}",
	title         = "{Towards Overcoming the Transitive-Closure Bottleneck: Efficient Parallel Algorithms for Planar Digraphs}",
	year          = 1990,
}