IEC-61158-4-18 Complete Document History
Industrial communication networks - Fieldbus specifications - Part 4-18: Data-link layer protocol specification - Type 18 elements

Complete Current Edition:
   EDITION 2.0 - COMMUNICATION NETWORKS - FIELDBUS SPECIFICATIONS - Aug. 5, 2010

Obsolete Revision Information:
   EDITION 1.0 - COMMUNICATION NETWORKS - FIELDBUS SPECIFICATIONS - Dec. 1, 2007