@article{LDTA-2004-JohnstoneSE04a,
	author        = "Adrian Johnstone and Elizabeth Scott and Giorgios Robert Economopoulos",
	doi           = "10.1016/j.entcs.2004.06.003",
	journal       = "{Electronic Notes in Theoretical Computer Science}",
	pages         = "173--175",
	title         = "{The GTB and PAT tools}",
	volume        = 110,
	year          = 2004,
}