@inproceedings{JCDL-2013-TorresHH,
	author        = "Sergio Duarte Torres and Djoerd Hiemstra and Theo W. C. Huibers",
	booktitle     = "{Proceedings of the 13th Joint Conference on Digital Libraries}",
	doi           = "10.1145/2467696.2467714",
	isbn          = "978-1-4503-2077-1",
	pages         = "57--66",
	publisher     = "{ACM}",
	title         = "{Vertical selection in the information domain of children}",
	year          = 2013,
}