@article{LDTA-2009-EngelenB10,
	author        = "Luc Engelen and Mark van den Brand",
	doi           = "10.1016/j.entcs.2010.08.035",
	journal       = "{Electronic Notes in Theoretical Computer Science}",
	number        = 7,
	pages         = "105--120",
	title         = "{Integrating Textual and Graphical Modelling Languages}",
	volume        = 253,
	year          = 2010,
}