@inproceedings{ECSA-2013-TofanGA,
	author        = "Dan Tofan and Matthias Galster and Paris Avgeriou",
	booktitle     = "{Proceedings of the Seventh European Conference on Software Architecture}",
	doi           = "10.1007/978-3-642-39031-9_17",
	isbn          = "978-3-642-39030-2",
	pages         = "192--199",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Difficulty of Architectural Decisions — A Survey with Professional Architects}",
	volume        = 7957,
	year          = 2013,
}