@inproceedings{DAC-1981-Trimberger,
	acmid         = "802305",
	author        = "Stephen Trimberger",
	booktitle     = "{Proceedings of the 18th Design Automation Conference}",
	pages         = "234--239",
	publisher     = "{ACM/IEEE}",
	title         = "{Combining graphics and a layout language in a single interactive system}",
	year          = 1981,
}