WMO PUBLICATION No. 306 - MANUAL ON CODES
Volume I.3 (Annex II to the WMO Technical Regulations)
Part D - Representations derived from data models
Representations derived from data models consists of the specification of the list of standard representations derived from data models, including those using extensible markup language (XML), with their specifications and associated code tables.
Publication details: https://community.wmo.int/activity-areas/wis/wis-manuals