1OIML R76 - 1 Non - automatic Weighing Instrument Part1 : Metrological and Technical Requirement Edition 2006 ( E ) [ S ]. International Organization of Legal Metrology.
2General requirements for software controlled measuring instruments [ S ]. 2008. International Organization of Legal Metrology.
3WELMEC 2. 3, Informative Document Development of Software Requirements[ S]. 2005. European Cooperation in Legal Mctrology.
4WELMEC 7.2, Software Guide (Measuring Instruments Directive 2004/22/EC) [ S]. 2004. European Cooperation in Legal Metrology.