1. Agren, P.O.: Virtual community life: a disappearance to third places for social capital. In: Proceedings of the 20th Information Systems Research Seminar in Scandinavia (IRIS 20) “Social Informatics”, pp. 683–694. Department of Informatics, University of Oslo, Oslo (1997)
2. Alt, F., Schneegaß, S., Schmidt, A., Müller, J., Memarovic, N.: How to evaluate public displays. In: Proceedings of the ACM International Symposium on Pervasive Displays 2012, p. 17. ACM (2012)
3. Ananny, M., Strohecker, C.: TexTales: creating interactive forums with urban publics. In: Handbook of Research on Urban Informatics: The Practice and Promise of the Real-Time City, IGI Global, Hershey, PA (2009)
4. Bahr, E.: Why internet companies are linked to some of the happiest employees and customers (2013).
http://www.electronicproducts.com/Computer_Peripherals/Systems/Why_Internet_companies_are_linked_to_some_of_the_happiest_employees_and_customers.aspx
5. Bem, D.J.: Self-perception theory. In: Berkowitz, L. (ed.) Advances in Experimental Social Psychology, vol. 6, pp. 1–62. Academic Press, New York (1972)