@inproceedings{DAC-2004-LiYYYL,
	author        = "Jing Li and Tan Yan and Bo Yang and Juebang Yu and Chunhui Li",
	booktitle     = "{Proceedings of the 41st Design Automation Conference}",
	doi           = "10.1145/996566.996743",
	isbn          = "1-58113-828-8",
	pages         = "646--651",
	publisher     = "{ACM}",
	title         = "{A packing algorithm for non-manhattan hexagon/triangle placement design by using an adaptive o-tree representation}",
	year          = 2004,
}