@article{oai:repo.qst.go.jp:00045931,
 author = {Tokonami, Shinji and 床次 眞司},
 issue = {4},
 journal = {Radiation Protection Dosimetry},
 month = {Oct},
 pages = {335--339},
 title = {WHY IS 220RN (THORON) MEASUREMENT IMPORTANT?},
 volume = {141},
 year = {2010}
}