Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements (see <a href="http://www.iec.ch/61508">www.iec.ch/61508</a>)— 48 стр.
Transmitters for use in industrial-process control systems - Part 3: Methods for performance evaluation of intelligent transmitters (IEC 60770-3:2014) (english version)