@article{ICMT-J-2010-HeidenreichKA11,
	author        = "Florian Heidenreich and Jan Kopcsek and Uwe Aßmann",
	doi           = "10.5381/jot.2011.10.1.a7",
	journal       = "{Journal of Object Technology}",
	pages         = "162--181",
	title         = "{Safe Composition of Transformations}",
	volume        = 10,
	year          = 2011,
}