@inproceedings{LDTA-2011-JohnstoneSB,
	author        = "Adrian Johnstone and Elizabeth Scott and Mark van den Brand",
	booktitle     = "{Proceedings of the 11th Workshop on Language Descriptions, Tools and Applications}",
	doi           = "10.1145/1988783.1988792",
	isbn          = "978-1-4503-0665-2",
	pages         = "9",
	publisher     = "{ACM}",
	title         = "{LDT: a language definition technique}",
	year          = 2011,
}