@inproceedings{STOC-1981-ChandraLM,
	author        = "Ashok K. Chandra and Harry R. Lewis and Johann A. Makowsky",
	booktitle     = "{Proceedings of the 13th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800076.802488",
	pages         = "342--354",
	publisher     = "{ACM}",
	title         = "{Embedded Implicational Dependencies and their Inference Problem}",
	year          = 1981,
}