Operational Monitoring Good Practice Guide "The Selection of Alarm Levels for Personnel Exit Monitors" Dec 2009 – National Physical Laboratory, Teddington UK [1]Archived 2013-05-13 at the Wayback Machine
nrc.gov
USNRC, United States Regulatory Commission. "Glossary". Retrieved 14 November 2017.
"Atmospheric δ14C record from Wellington". Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center. Oak Ridge National Laboratory. 1994. Archived from the original on 2014-02-01. Retrieved 2007-06-11.
Levin, I.; et al. (1994). "δ14C record from Vermunt". Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center. Archived from the original on 2008-09-23. Retrieved 2012-10-08.
"Atmospheric δ14C record from Wellington". Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center. Oak Ridge National Laboratory. 1994. Archived from the original on 2014-02-01. Retrieved 2007-06-11.
Levin, I.; et al. (1994). "δ14C record from Vermunt". Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center. Archived from the original on 2008-09-23. Retrieved 2012-10-08.
Operational Monitoring Good Practice Guide "The Selection of Alarm Levels for Personnel Exit Monitors" Dec 2009 – National Physical Laboratory, Teddington UK [1]Archived 2013-05-13 at the Wayback Machine