Frenzel, J., & Viljasaar, R. (2016). Parallel Cities: For the smart city to really to become a city, it must open up new, usable, shared and public spaces - both in the virtual and physical realm. Estonia and Finland are trying to go new ways. Topos.
Παραπομπή σε μορφή Chicago (17η εκδ.)Frenzel, Jörn, και Regina Viljasaar. "Parallel Cities: For the Smart City to Really to Become a City, It Must Open Up New, Usable, Shared and Public Spaces - Both in the Virtual and Physical Realm. Estonia and Finland Are Trying to Go New Ways." Topos 2016.
Παραπομπή σε μορφή MLA (8th εκδ.)Frenzel, Jörn, και Regina Viljasaar. "Parallel Cities: For the Smart City to Really to Become a City, It Must Open Up New, Usable, Shared and Public Spaces - Both in the Virtual and Physical Realm. Estonia and Finland Are Trying to Go New Ways." Topos, 2016.