Video cameras (PAL/SECAM/NTSC) - Methods of measurement - Part 2: Two- and three-sensor professional cameras (IEC 61146-2:1997); German version EN 61146-2:1997
Edition 1998-04

Medical electrical equipment - Part 2-68: Particular requirements for the basic safety and essential performance of X-ray-based image-guided radiotherapy equipment for use with electron accelerators, light ion beam therapy equipment and radionuclide beam therapy equipment (Adopted IEC 60601-2-68:2014, first edition, 2014-09, with Canadian deviations)
Edition 2015-12-01

Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements
Edition 2017-02-01