@inproceedings{ITiCSE-2013-RobertsS,
	author        = "Eric Roberts and Keith Schwarz",
	booktitle     = "{Proceedings of the 18th Conference on Innovation and Technology in Computer Science Education}",
	doi           = "10.1145/2462476.2465590",
	isbn          = "978-1-4503-2078-8",
	pages         = "153--158",
	publisher     = "{ACM}",
	title         = "{A portable graphics library for introductory CS}",
	year          = 2013,
}