L.2.10.3.4.1 Summary Revision Table

Contents of the Shared Workbook Revision Header part (revisionHeaders.xml).

<header guid="{A478A962-DEB9-43AA-BB25-2C54AFA155F1}"
  dateTime="2006-04-14T10:37:14" maxSheetId="4" userName="User 2"
  r:id="rId5" minRId="21">
  <sheetIdMap count="3">
    <sheetId val="1"/>
    <sheetId val="2"/>
    <sheetId val="3"/>
  </sheetIdMap>
</header>

Use the r:id value of rId5 and then follow the relationship expressed in revisionHeaders.xml.rels. In this way, the corresponding Shared Workbook Revision Log part can be located.