@inproceedings{CHI-1990-Took,
	author        = "Roger K. Took",
	booktitle     = "{Proceedings of the Eighth ACM SIGCHI Conference on Human Factors in Computing Systems}",
	doi           = "10.1145/97243.97249",
	isbn          = "0-201-50932-6",
	pages         = "35--42",
	publisher     = "{ACM}",
	title         = "{Surface interaction: a paradigm and model for separating application and interface}",
	year          = 1990,
}