In article metadata, used to record the publication format associated with a publication date or an ISSN.
| Value |
Meaning |
| online |
Specifies that the ISSN is for the online version of the journal |
| print |
Specifies that the ISSN is for the print version of the journal |
| Restriction: This attribute may be specified if the element is used.
|
| Value |
Meaning |
| online |
the date an individual article was published online prior to being bound into an issue |
| print |
the nominal date for a printed issue, as it appears on the front cover or table of contents -- e.g., “Spring 2010”, or “May
2013”, or “2009”
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