@inproceedings{DRM-Mobile,
  title = "Digital Rights Management using a Mobile Phone",
  author = "Imad M. Abbadi and Chris Mitchell",
  year = "2007",
  booktitle = "ICEC '07: Proceedings of the ninth international conference on Electronic commerce",
  month = "Aug",
  pages = "185--194",
  publisher = "ACM Press, NY",
}