From TDWG Terms Wiki
No type definition was found for "Gathering-Altitude-TitleCitation" in the abcd2 import.
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Notes: Need to decide on whether a particular standard for citations should be adopted - such as the Council of Biology Editors 6th edition with the NLM Internet extensions??
Constraints in the context of ABCD 2:
- cardinality 1..1 (=mandatory single occurrence)