@InProceedings{hang2008mobilehci,
  author = {Alina Hang, Enrico Rukzio, Andrew Greaves},
  title  = "{Projector Phone: A Study of Usig Mobile Phones with Integrated Projector for Interaction with Maps}",
  booktitle = {Proceedings of the 10th International Conference on Human Computer Interaction with Mobile Devices and Services (MobileHCI 2008), Amsterdam, Netherlands, Sept. 2008},
  month = sept,
  year =   {2008},
  organization={ACM New York, NY, USA}

  }