Berry Eggen (Eggen, Berry)

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  Ambient Intelligence: Second European Symposium, Eusai 2004, Eindhoven, The Netherlands, November 8-11, 2004, Proceedings
  by Emile Aarts, James L. Crowley, Panos Markopoulos, Berry Eggen
  Softcover, Springer-Verlag New York Inc, ISBN 3540237216 (3-540-23721-6)
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  Persuasive Technology: Second International Conference on Persuasive Technology, Persuasive 2007, Palo Alto, CA, USA, April 26-27, 2007 Revised Selected Papers
  by B. J. Fogg, Berry Eggen, Wijnand Ijsselsteijn, Cees Midden, Yvonne De Kort
  Softcover, Springer-Verlag New York Inc, ISBN 3540770054 (3-540-77005-4)
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  Persuasive Technology: First International Conference on Persuasive Technology for Human Well-being, Persuasive 2006, Eindhoven, the Netherlands, May 18-19, 2006, Proceeding
  by W. A. IJsselsteijn, Berry Eggen, Wijnand Ijsselsteijn, Cees Midden, Elise Van Den Hoven
  Softcover, Springer-Verlag New York Inc, ISBN 3540342915 (3-540-34291-5)