2014DIN EN 60731:2014 Medical electrical equipment - Dosimeters with ionization chambers as used in radiotherapy (IEC 60731:2011); German version EN 60731:2012
2006DIN EN 60731:2006 Medical electrical equipment - Dosimeters with ionization chambers as used in radiotherapy (IEC 60731:1997 + A1:2002); German version EN 60731:1997 + A1:2002