@inproceedings{CAiSE-2010-LagunaMC,
	author        = "Miguel A. Laguna and José M. Marqués and Yania Crespo",
	booktitle     = "{Proceedings of the 22nd International Conference on Advanced Information Systems Engineering}",
	doi           = "10.1007/978-3-642-13094-6_32",
	isbn          = "978-3-642-13093-9",
	pages         = "409--423",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{On the Semantics of the Extend Relationship in Use Case Models: Open-Closed Principle or Clairvoyance?}",
	volume        = 6051,
	year          = 2010,
}