TY - JOUR AU - Colle, Ronald C2 - Journal of Radioanalytical and Nuclear Chemistry DA - 2009-02-17 LA - en PB - Journal of Radioanalytical and Nuclear Chemistry PY - 2009 TI - Radionuclide Standardization by Primary Methods: An Overview UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=842477 ER -