1. Ajanki, A., Billinghurst, M., Gamper, H., Järvenpää, T., Kandemir, M., Kaski, S., Koskela, M., Kurimo, M., Laaksonen, J., Puolamäki, K., Ruokolainen, T., Tossavainen, T.: An Augmented Reality Interface to Contextual Information. Journal of Virtual Reality 15(2-3), 161–173 (2011)
2. FitzGerald, E., Adams, A., Ferguson, R., Gaved, M., Mor, Y., Rhodri, T.: Augmented Reality and Mobile Learning: The State of The Art. In: Proceedings of 11th World Conference on Mobile and Contextual Learning (mLearn 2012), Helsinki, Finland, October 16-18 (2012)
3. Jang, S.H., Andrew, H.S.: GIS and Augmented Reality in 2015. Association of Geographic Information (AGI) Foresight Study (February 5, 2010)
4. Kent, J.: The Augmented reality Handbook - Everything you need to know about Augmented reality. Emereo Pty. Ltd. (April 21, 2011)
5. Madden, L.: Professional Augmented Reality Browsers for Smartphones: Programming for junaio, Layar and Wikitude. Wrox Press (July 9, 2011)