| Description | Notes | |
|---|---|---|
| EN | DOI | Digital Object Identifier (variable length and character set, beginning ‘10.’ and without https://doi.org/ or the older http://dx.doi.org/) |
| FR | DOI | DOI (Digital Object Identifier) – identifiant d’objet numérique (longueur et type de caractères variables) |
| ES | DOI | Digital Object Identifier (longitud y juego de caracteres variables) |
06
— DOI
- Introduced in Issue 0 (or earlier)