@article{weko_45389_1,
   author	 = "Tokonami,Shinji and Yoshinaga,Shinji and Sugino,Masato and Kobayashi,Yosuke and Takahashi,Hiroyuki and Sorimachi,Atsuyuki and Ishikawa,Tetsuo and et.al",
   title	 = "Influence of environmental thoron on radon measurements and related issues",
   journal	 = "The Natural Radiation Environment : 8th International Symposium (NRE VIII), Buzios, Rio de Janeiro, Brazil, 7-12 October 2007 (AIP Conference Proceedings ; vol. 1034)",
   year 	 = "2008",
   volume	 = "1034",
   number	 = "",
   pages	 = "145--148",
   month	 = "nov"
}