@conference {1616257,
	title = {Understanding Multi-touch Manipulation for Surface Computing},
	booktitle = {INTERACT {\textquoteright}09: Proceedings of the 12th IFIP TC 13 International Conference on Human-Computer Interaction},
	year = {2009},
	pages = {236{\textendash}249},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	address = {Berlin, Heidelberg},
	isbn = {978-3-642-03657-6},
	doi = {http://dx.doi.org/10.1007/978-3-642-03658-3_31},
	author = {North, Chris and Dwyer, Tim and Lee, Bongshin and Fisher, Danyel and Isenberg, Petra and Robertson, George and Inkpen, Kori}
}
