@misc{3736,
  author = {Ronald Colle and Ryan Fitzgerald and Lizbeth Laureano-Perez},
  title = {Development of an Ultra-Pure, Carrier-Free 209Po Solution Standard},
  year = {2015},
  number = {120},
  month = {2015-07-23},
  publisher = {Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/jres.120.011},
  language = {en},
}