Optional_Optional_The date the article was added to the database, or the date the article was released
Optional_Copyright notice for the full article or artifact
Optional_Used for isolated representation of first page
Optional_Used for isolated representation of last page
Optional_The date the article was last revised or updated in the database
Optional_Number of pages or screens
Optional_Used for full display of pagination
OptionalaccessionEntry number or identifier for inclusion in a database
OptionalarticleThe date the article was added to the database, or the date the article was released
OptionalcopyrightCopyright notice for the full article or artifact
OptionalextensionAdditional content defined by implementations
OptionalfirstUsed for isolated representation of first page
OptionalidUnique id for inter-element referencing
OptionallanguageLanguage in which this form of the article is published
OptionallastUsed for isolated representation of last page
OptionallastThe date the article was last revised or updated in the database
OptionalmodifierExtensions that cannot be ignored even if unrecognized
OptionalpageNumber of pages or screens
OptionalpageUsed for full display of pagination
OptionalperiodicThe specific issue in which the cited article resides
OptionalpublishedThe collection the cited article or artifact is published in
Entry number or identifier for inclusion in a database