@article{138721,
  author = {Bert Coursey and R Coll{eacute} and J Coursey},
  title = {Standards of Radium-226: From Marie Curie to the International Committee for Radionuclide Metrology},
  year = {2002},
  number = {56},
  month = {2002-01-01},
  publisher = {Applied Radiation and Isotopes},
  language = {en},
}