To enable the function Referers in Interface click on the "modify" button in row Metainformation. Make sure that the checkbox in row "Show list of referers" is checked.
Click on "Save changes" to apply.
Metainfo:
Author: factline factline; Copyright: factline Webservices GmbH; Published by: Webservices factline 4 (factline4) factID: 1378871.2 (...history); published on 30 Sep. 2009 19:36