NUREG-0713, Volume 38: Occupational Radiation Exposure at Commercial Nuclear Power Reactors and other Facilities 2016: Forty-Ninth Annual Report
Source: NUREG-0713, Volume 38: Occupational Radiation Exposure at Commercial Nuclear Power Reactors and other Facilities 2016: Forty-Ninth Annual Report (http://www.nrc.gov:80/reading-rm/doc-collections/nuregs/staff/sr0713/v38/)