Type of publication identifier or the organization or system that defined the identifier for a non-standard citation, typically a reference to a technical report, book, journal article, etc.
This attribute is not used to name the type of cited standard for a <std>; the <std> element used the @type attribute.
This attribute is used inside a bibliographic citation element such as <mixed-citation> or <element-citation> to identify what is being cited.
| Value | Meaning |
|---|---|
| Text, numbers, or special characters | The type of identifier doior name or type of organization that created the identifier aggregator. |