@inproceedings{DAC-1981-Ji-GuangK,
	acmid         = "802276",
	author        = "Xiong Ji-Guang and Tokinori Kozawa",
	booktitle     = "{Proceedings of the 18th Design Automation Conference}",
	pages         = "29--36",
	publisher     = "{ACM/IEEE}",
	title         = "{An algorithm for searching shortest path by propagating wave fronts in four quadrants}",
	year          = 1981,
}