deletions | additions       diff --git a/bibliography/biblio.bib b/bibliography/biblio.bib  index 67d88a1..9ff6290 100644  --- a/bibliography/biblio.bib  +++ b/bibliography/biblio.bib 
...
address={New York, NY, USA},  keywords={classroom management, computer science education, dissemination, educational research, educational tools, intelligent tutoring systems, smart learning content, teaching with technology, technology adoption, technology integration}  }  @inproceedings{Hatzilygeroudis,  author={Hatzilygeroudis, I and Prentzas, J and Garofalakis, J},  title={Personalized Learning in Web-Based Intelligent Educational Systems: Technologies and Techniques},  booktitle={Proceedings of the 11th Ineternational Conference on Human-Computer Interaction (HCII-2005), Las Vegas, Nevada, USA, 22-27 July 2005},  year={2005},  location={Nevada, USA}  }