@article{oai:repo.qst.go.jp:00058412,
 author = {福村, 明史 and 水野, 秀之 and 深堀, 麻衣 and 佐方, 周防 and 福村 明史 and 水野 秀之 and 深堀 麻衣 and 佐方 周防},
 journal = {National Institute of Radiological Sciences Annual Report 2011-2012},
 month = {May},
 note = {NIRS has been the Secondary Standard Dosimetry Laboratory
(SSDL) for radiotherapy in Japan. More than 600 therapy-level dosimeters
from hospitals were calibrated with the NIRS 60Co exposure
standard field per year.},
 pages = {134--135},
 title = {Development of the 60Co gamma-ray standard field for therapy-level dosimeter calibration in terms of absorbed dose to water},
 year = {2013}
}