LPG equipment and accessories - LPG propulsion systems for boats, yachts and other craft - Installation requirements; German version EN 15609:2008— 38 стр.
Geometrical product specifications (GPS) - Inspection by measurement of workpieces and measuring equipment - Guide to the estimation of uncertainty in GPS measurement, in calibration of measuring equipment and in product verification (ISO/TS 14253-2:1999)— 54 стр.