@inproceedings{ITiCSE-1999-WolzK,
	author        = "Ursula Wolz and Elliot B. Koffman",
	booktitle     = "{Proceedings of the Fourth Conference on Innovation and Technology in Computer Science Education}",
	doi           = "10.1145/305786.305896",
	isbn          = "1-58113-087-2",
	pages         = "139--142",
	publisher     = "{ACM}",
	title         = "{simpleIO: a Java package for novice interactive and graphics programming}",
	year          = 1999,
}