<section>
<title>Publications</title>
<bibliography>
-<bibliomixed id='1'>First Folio. </bibliomixed>
-<bibliomixed id='2'>Second Folio. </bibliomixed>
-<bibliomixed id='3'>Third Folio. </bibliomixed>
+<bibliomixed xml:id='first'>First Folio. </bibliomixed>
+<bibliomixed xml:id='second'>Second Folio. </bibliomixed>
+<bibliomixed xml:id='third'>Third Folio. </bibliomixed>
</bibliography>
</section>