@inproceedings{ITiCSE-1997-Proulx,
	author        = "Viera K. Proulx",
	booktitle     = "{Proceedings of the Second Conference on Integrating Technology into Computer Science Education}",
	doi           = "10.1145/268819.268843",
	isbn          = "0-89791-923-8",
	pages         = "74--76",
	publisher     = "{ACM}",
	title         = "{Recursion and grammars for CS2}",
	year          = 1997,
}