%0 Journal Article %T ESTABLISHMENT OF A LOW DOSE RATE GAMMA RAY CALIBRATION FIELD FOR ENVIRONMENTAL RADIATION MONITORING DEVICES %A Kowatari,, Munehiko %A Yoshitomi,, Hiroshi %A Nishino,, Sho %A Tanimura,, Yoshihiko %A Ohishi,, Tetsuya %A Kessler,, Patrick %A Neumaier,, Stefan %A Röttger,, Annette %J Radiation Protection Dosimetry %V Advance Article %@ 0144-8420 %D 2019-12-31 %I Oxford University Press %~ DeepDyve