@article{Angelantonj:1999Pu,
  author = "Angelantonj, C.",
  title = "{Non-Supersymmetric Open String Vacua  }",
  doi = "10.22323/1.002.0015",
  journal = "PoS",
  year = 1999,
  volume = "trieste99",
  pages = "015"
}