@inproceedings{AllesSalom:2008UG,
  author = "Alles Salom, Bartolome  and  Papa, Alessandro",
  title = "{Numerical Study of the mass spectrum in the 2D O(3) sigma model with a theta term}",
  doi = "10.22323/1.042.0287",
  booktitle = "Proceedings of The XXV International Symposium on Lattice Field Theory {\textemdash} PoS(LATTICE 2007)",
  year = 2008,
  volume = "042",
  pages = "287"
}