@inproceedings{ITiCSE-2015-BellettiniLMMMT,
	author        = "Carlo Bellettini and Violetta Lonati and Dario Malchiodi and Mattia Monga and Anna Morpurgo and Mauro Torelli",
	booktitle     = "{Proceedings of the 20th Conference on Innovation and Technology in Computer Science Education}",
	doi           = "10.1145/2729094.2742603",
	isbn          = "978-1-4503-3440-2",
	pages         = "27--32",
	publisher     = "{ACM}",
	title         = "{How Challenging are Bebras Tasks?: An IRT Analysis Based on the Performance of Italian Students}",
	year          = 2015,
}