@article{oai:repo.qst.go.jp:00045021,
 author = {Kim, Chang-Kyu and Kim, Young-Jae and Lee, Hwa-Young and Chang, Byung-Uck and Tokonami, Shinji and 床次 眞司},
 issue = {8},
 journal = {Radiation Measurements},
 month = {Sep},
 pages = {1409--1414},
 title = {220Rn and its progeny in dwellings of Korea},
 volume = {42},
 year = {2007}
}