title: [Air kerma standards for X- and gamma rays and future plans for dosimetric standards at AIST].
authors.forename: Nobuhisa
authors.initials: N
authors.lastname: Takata
mesh_terms: D000388:Air; D002138:Calibration; D005720:Gamma Rays; D011874:Radiometry / Q000592:standards*; D014965:X-Rays