2021IEC 60987:2021 Nuclear power plants - Instrumentation and control important to safety - Hardware requirements
2013IEC 60987:2007/AMD1:2013 Amendment 1 - Nuclear power plants - Instrumentation and control important to safety - Hardware design requirements for computer-based systems
2013IEC 60987:2013 Nuclear power plants - Instrumentation and control important to safety - Hardware design requirements for computer-based systems
2007IEC 60987:2007 Nuclear power plants - Instrumentation and control important to safety - Hardware design requirements for computer-based systems
1989IEC 60987:1989 Programmed digital computers important to safety for nuclear power stations