@inproceedings{DAC-1987-XiongK,
	author        = "Xiao-Ming Xiong and Ernest S. Kuh",
	booktitle     = "{Proceedings of the 24th Design Automation Conference}",
	doi           = "10.1145/37888.37933",
	pages         = "298--304",
	publisher     = "{IEEE Computer Society Press / ACM}",
	title         = "{Nutcracker: An Efficient and Intelligent Channel Spacer}",
	year          = 1987,
}