@inproceedings{DAC-1976-Hubbard,
	author        = "Ronald D. Hubbard Jr.",
	booktitle     = "{Proceedings of the 13th Design Automation Conference}",
	doi           = "10.1145/800146.804837",
	pages         = "371--376",
	publisher     = "{ACM}",
	title         = "{Language extensibility and program design}",
	year          = 1976,
}