@article{137576,
  author = {Leticia Pibida and Michael Unterweger and Lisa Karam},
  title = {Development of Gamma-ray Emitting Test Sources for Portal Monitors},
  year = {2006},
  number = {64},
  month = {2006-01-01},
  publisher = {Applied Radiation and Isotopes},
  language = {en},
}