@inproceedings{ITiCSE-2013-EsperFG,
	author        = "Sarah Esper and Stephen R. Foster and William G. Griswold",
	booktitle     = "{Proceedings of the 18th Conference on Innovation and Technology in Computer Science Education}",
	doi           = "10.1145/2462476.2465593",
	isbn          = "978-1-4503-2078-8",
	pages         = "249--254",
	publisher     = "{ACM}",
	title         = "{CodeSpells: embodying the metaphor of wizardry for programming}",
	year          = 2013,
}