@inproceedings{HCD-2009-BlumK,
	author        = "Rainer Blum and Karim Khakzar",
	booktitle     = "{Proceedings of the First International Conference on Human Centered Design}",
	doi           = "10.1007/978-3-642-02806-9_76",
	isbn          = "978-3-642-02805-2",
	pages         = "653--660",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Evaluating E-Commerce User Interfaces: Challenges and Lessons Learned}",
	volume        = 5619,
	year          = 2009,
}