Update lancaster-university-harvard.csl (JabRef#4836)

POBrien333 · web-flow · commit 7ebdfff22824 · 2020-05-30T09:08:55.000-04:00
diff --git a/lancaster-university-harvard.csl b/lancaster-university-harvard.csl
@@ -436,6 +436,7 @@
   <bibliography hanging-indent="false" et-al-min="3" et-al-use-first="1">
     <sort>
       <key macro="author"/>
+      <key variable="citation-number"/>
       <key variable="title"/>
     </sort>
     <layout>
