@article{hendrix14,
  author = "M. Hendrix and A. I. Cristea",
  title = "A Spiral Model for Adding Automatic Adaptive Authoring to Adaptive Hypermedia",
  doi = "10.3217/jucs-014-17-2799",
  journal = "Journal of Universal Computer Science (J.UCS)",
  year = 2008,
  volume = "14",
  number = "17",
  pages = "2799-2818",
  keywords = "GRAPPLE project and Socrates mobilities exchange and ALS project and Published during PhD at Warwick",
  url = "http://www.jucs.org/jucs_14_17/a_spiral_model_for"
}