Davies, Char. 2004. “Virtual space.” Teoksessa Space: In science, art and society. François Penz, Robert Howell, Gregory Radick, Neal Ascherson & John Barrow (toim.). Cambridge University Press, 69–104.
Davies, Char. 2004. “Virtual space.” Teoksessa Space: In science, art and society. François Penz, Robert Howell, Gregory Radick, Neal Ascherson & John Barrow (toim.). Cambridge University Press, 69–104.