@conference{7519,
  author = {P. Guilbert},
  title = {Annihilation lines from confined plasmas},
  year = {1983},
  publisher = {AIP},
  address = {Greenbelt, MD},
  url = {http://link.aip.org/link/APCPCS/v101/i1/p405/s1\&Agg=doi},
  doi = {10.1063/1.34121},
}