Fibre optic active components and devices - Performance standards - Part 6: 650-nm 250-Mbit/s plastic optical fibre transceivers (IEC 62149-6:2003); German version EN 62149-6:2003— 14 стр.
Geometrical Product Specifications (GPS) - Geometrical tolerancing - Tolerances of form, orientation, location and run-out (ISO 1101:2004); German version EN ISO 1101:2005— 66 стр.