S03 Referenced Literature === Frank Chun Yat Li, Richard T. Guy, Koji Yatani, and Khai N. Truong. 2011. The 1line keyboard: a QWERTY layout in a single line. In Proceedings of the 24th annual ACM symposium on User interface software and technology (UIST '11). ACM, New York, NY, USA, 461-470. DOI=10.1145/2047196.2047257 http://doi.acm.org/10.1145/2047196.2047257 Peng Song, Wooi Boon Goh, William Hutama, Chi-Wing Fu, and Xiaopei Liu. 2012. A handle bar metaphor for virtual object manipulation with mid-air interaction. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI '12). ACM, New York, NY, USA, 1297-1306. DOI=10.1145/2207676.2208585 http://doi.acm.org/10.1145/2207676.2208585 Martin Spindler, Marcel Martsch, and Raimund Dachselt. 2012. Going beyond the surface: studying multi-layer interaction above the tabletop. In Proceedings of the 2012 ACM annual conference on Human Factors in Computing Systems (CHI '12). ACM, New York, NY, USA, 1277-1286. DOI=10.1145/2208516.2208583 http://doi.acm.org/10.1145/2208516.2208583 Sukeshini A. Grandhi, Gina Joue, and Irene Mittelberg. 2011. Understanding naturalness and intuitiveness in gesture production: insights for touchless gestural interfaces. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI '11). ACM, New York, NY, USA, 821-824. DOI=10.1145/1978942.1979061 http://doi.acm.org/10.1145/1978942.1979061 Daniel Vogel and Ravin Balakrishnan. 2005. Distant freehand pointing and clicking on very large, high resolution displays. In Proceedings of the 18th annual ACM symposium on User interface software and technology (UIST '05). ACM, New York, NY, USA, 33-42. DOI=10.1145/1095034.1095041 http://doi.acm.org/10.1145/1095034.1095041 Amartya Banerjee, Jesse Burstyn, Audrey Girouard, and Roel Vertegaal. 2011. Pointable: an in-air pointing technique to manipulate out-of-reach targets on tabletops. In Proceedings of the ACM International Conference on Interactive Tabletops and Surfaces (ITS '11). ACM, New York, NY, USA, 11-20. DOI=10.1145/2076354.2076357 http://doi.acm.org/10.1145/2076354.2076357 Christian Winkler, Ken Pfeuffer, and Enrico Rukzio. 2012. Investigating mid-air pointing interaction for projector phones. In Proceedings of the 2012 ACM international conference on Interactive tabletops and surfaces (ITS '12). ACM, New York, NY, USA, 85-94. DOI=10.1145/2396636.2396650 http://doi.acm.org/10.1145/2396636.2396650 A. Cockburn, P. Quinn, C. Gutwin, G. Ramos, and J. Looser. 2011. Air pointing: Design and evaluation of spatial target acquisition with and without visual feedback. Int. J. Hum.-Comput. Stud. 69, 6 (June 2011), 401-414. DOI=10.1016/j.ijhcs.2011.02.005 http://dx.doi.org/10.1016/j.ijhcs.2011.02.005 Robert J. Teather, Wolfgang Stuerzlinger. 2013. Pointing at 3D Target Projections with One-Eyed and Stereo Cursors. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems (CHI '13). (To Appear) Ricardo Jota, Miguel A. Nacenta, Joaquim A. Jorge, Sheelagh Carpendale, and Saul Greenberg. 2010. A comparison of ray pointing techniques for very large displays. In Proceedings of Graphics Interface 2010 (GI '10). Canadian Information Processing Society, Toronto, Ont., Canada, Canada, 269-276. R. William Soukoreff and I. Scott MacKenzie. 2004. Towards a standard for pointing device evaluation, perspectives on 27 years of Fitts' law research in HCI. Int. J. Hum.-Comput. Stud. 61, 6 (December 2004), 751-789. DOI=10.1016/j.ijhcs.2004.09.001 http://dx.doi.org/10.1016/j.ijhcs.2004.09.001