External module in the base Suite that declares the bibliographic reference elements, i.e., those elements that may appear inside a <element-citation> or <mixed-citation> element.
<!ENTITY % references.ent PUBLIC "-//NLM//DTD JATS (Z39.96) JATS DTD Suite Bibliographic Reference (Citation) Class Elements v1.0 20120330//EN" "JATS-references1.ent" >
JATS-modules.ent