%ref-model;

Reference Item Model

Content model for the <ref> element

Model

<!ENTITY % ref-model    "(%citation.class;)+"                        >

Expanded Model

(citation-alternatives | element-citation | mixed-citation | nlm-citation)+

Article Authoring Tag Library NISO JATS Version 1.2d1 (ANSI/NISO Z39.96-2015)

Version of July 2017

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