@inproceedings{CHI-2007-TerrenghiKSI,
	author        = "Lucia Terrenghi and David S. Kirk and Abigail Sellen and Shahram Izadi",
	booktitle     = "{Proceedings of the 25th ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/1240624.1240799",
	isbn          = "978-1-59593-593-9",
	pages         = "1157--1166",
	publisher     = "{ACM}",
	title         = "{Affordances for manipulation of physical versus digital media on interactive surfaces}",
	year          = 2007,
}