Lewandowski, Dirk Aktualität als erfolgskritischer Faktor bei Suchmaschinen [Up-to-dateness as a ranking factor in Web search engines]., 2006 [cited var currentTime = new Date();var month = currentTime.getMonth() + 1;var day = currentTime.getDate();var year = currentTime.getFullYear();document.write(month + "/" + day + "/" + year)]. Available from WWW: http://eprints.rclis.org/6072/. [Preprint]