@inproceedings{ITiCSE-2007-Helmick,
	author        = "Michael T. Helmick",
	booktitle     = "{Proceedings of the 12th Conference on Innovation and Technology in Computer Science Education}",
	doi           = "10.1145/1268784.1268805",
	isbn          = "978-1-59593-610-3",
	pages         = "63--67",
	publisher     = "{ACM}",
	title         = "{Interface-based programming assignments and automatic grading of java programs}",
	year          = 2007,
}