@inproceedings{Bonelli:2007cK,
  author = "Bonelli, Giulio",
  title = "{Propaedeutical Course in String Theory}",
  doi = "10.22323/1.034.0020",
  booktitle = "Proceedings of School on Particle Physics, Gravity and Cosmology {\textemdash} PoS(P2GC)",
  year = 2007,
  volume = "034",
  pages = "020"
}