CAD standard parts file; specifications of geometry and parameters; bolts with head, close tolerance, with plain sitting surface, with drive internal by tool
Ergonomic requirements for office work with visual display terminals (VDTs) - Part 17: Form filling dialogues (ISO 9241-17:1998); English version of DIN EN ISO 9241-17
Capability of detection - Part 3: Methodology for determination of the critical value for the response variable when no calibration data are used (ISO 11843-3:2003; text in German, English)