@inproceedings{DAC-1976-HorbstPB,
	author        = "Egon Hörbst and R. Prechtl and Will Barker",
	booktitle     = "{Proceedings of the 13th Design Automation Conference}",
	doi           = "10.1145/800146.804800",
	pages         = "86--90",
	publisher     = "{ACM}",
	title         = "{Engagement of interactive graphic tools in a CAD-system for digital units}",
	year          = 1976,
}