DIN EN 61158-4-2:2015 Industrial communication networks - Fieldbus specifications - Part 4-2: Data-link layer protocol specification - Type 2 elements (IEC 61158-4-2:2014); English version EN 61158-4-2:2014, only on CD-ROM
2015DIN EN 61158-4-2:2015 Industrial communication networks - Fieldbus specifications - Part 4-2: Data-link layer protocol specification - Type 2 elements (IEC 61158-4-2:2014); English version EN 61158-4-2:2014, only on CD-ROM
2013DIN EN 61158-4-18:2013 Industrial communication networks - Fieldbus specifications - Part 4-18: Data-link layer protocol specification - Type 18 elements (IEC 61158-4-18:2010); English version EN 61158-4-18:2012, only on CD-ROM