Electrical apparatus for explosive gas atmospheres. Repair and overhaul for apparatus used in explosive atmospheres (other than mines or explosives)— 46 стр.
Explosive atmospheres - Explosion prevention and protection - Part 2: Basic concepts and methodology for mining; German version EN 1127-2:2014— 38 стр.
Explosive atmospheres - Part 29-3: Gas detectors - Guidance on functional safety of fixed gas detection systems ( IEC 60079-29-3:2014) (english version)