Soren Kolstrup (Kolstrup, Soren)

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  Media History: Theories, Methods, Analysis
  by Niels Brugger, Soren Kolstrup
  Softcover, David Brown Book Co, ISBN 8772888393 (87-7288-839-3)
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  via
  Virtual Interaction : Interaction in Virtual Inhabited 3D Worlds
  by Lars Qvortrup
  Hardcover, Springer, ISBN 1852333316 (1-85233-331-6)