ref 

(reference) provides an explicit means of locating a full definition or
identity for the entity being named by means of one or more URIs.

Attribute Information

Used By

Attribute Group tei:att.canonical.attribute.ref

Source 

<xs:attribute name="ref">
  <xs:annotation>
    <xs:documentation>(reference) provides an explicit means of locating a full definition or identity for the entity being named by means of one or more URIs.</xs:documentation>
  </xs:annotation>
  <xs:simpleType>
    <xs:restriction>
      <xs:simpleType>
        <xs:list itemType="xs:anyURI"/>
      </xs:simpleType>
      <xs:minLength value="1"/>
    </xs:restriction>
  </xs:simpleType>
</xs:attribute>

Sample