@inproceedings{ITiCSE-2005-PerrenetGK,
	author        = "Jacob Perrenet and Jan Friso Groote and Eric Kaasenbrood",
	booktitle     = "{Proceedings of the 10th Conference on Innovation and Technology in Computer Science Education}",
	doi           = "10.1145/1067445.1067467",
	isbn          = "1-59593-024-8",
	pages         = "64--68",
	publisher     = "{ACM}",
	title         = "{Exploring students’ understanding of the concept of algorithm: levels of abstraction}",
	year          = 2005,
}