@inproceedings{ITiCSE-2006-SandersGG,
	author        = "Ian D. Sanders and Vashti Galpin and Tina Götschi",
	booktitle     = "{Proceedings of the 11th Conference on Innovation and Technology in Computer Science Education}",
	doi           = "10.1145/1140124.1140162",
	isbn          = "1-59593-055-8",
	pages         = "138--142",
	publisher     = "{ACM}",
	title         = "{Mental models of recursion revisited}",
	year          = 2006,
}