2013LST EN ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods (ISO 21572:2013)
2004LST EN ISO 21572:2004 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods (ISO 21572:2004)
2001LST EN 61334-4-32-2001 Distribution automation using distribution line carrier systems. Part 4: Data communication protocols. Section 32: Data link layer. Logical link control (LLC) (IEC 61334-4-32:1996)