@inproceedings{DAC-1985-SchefferS,
	author        = "Louis Scheffer and Ronny Soetarman",
	booktitle     = "{Proceedings of the 22nd Design Automation Conference}",
	doi           = "10.1145/317825.317873",
	isbn          = "0-8186-0635-5",
	pages         = "293--298",
	publisher     = "{ACM}",
	title         = "{Hierarchical analysis of IC artwork with user defined abstraction rules}",
	year          = 1985,
}