McCall, R.R.McCallWagner, I.I.WagnerKuutti, K.K.KuuttiJacucci, G.G.JacucciBroll, W.W.Broll2022-03-102022-03-102008https://publica.fraunhofer.de/handle/publica/36036210.1145/1358628.1358970en004005006Urban mixed realities: Technologies, theories and frontiersconference paper