@inproceedings{Savage:2006tm,
  author = "Savage, Martin",
  title = "{Strong isospin breaking contribution to the neutron-proton mass difference}",
  doi = "10.22323/1.032.0198",
  booktitle = "Proceedings of XXIVth International Symposium on Lattice Field Theory {\textemdash} PoS(LAT2006)",
  year = 2006,
  volume = "032",
  pages = "198"
}