@inproceedings{Rizos:2012gW,
  author = "Rizos, Ioannis",
  title = "{Top mass and classification of heterotic superstring vacua}",
  doi = "10.22323/1.155.0101",
  booktitle = "Proceedings of Proceedings of the Corfu Summer Institute 2011  {\textemdash} PoS(CORFU2011)",
  year = 2012,
  volume = "155",
  pages = "101"
}