The previous page is sending you to https://www.ptb.de/cms/de/ptb/fachabteilungen/abt4/jahresbericht-aktuelles/nachricht-aus-dem-jahresbericht.html?tx_news_pi1%5Bnews%5D=6509&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Baction%5D=detail&tx_news_pi1%5Bday%5D=13&tx_news_pi1%5Bmonth%5D=10&tx_news_pi1%5Byear%5D=2009&cHash=9d89a1f966639ed4524c91c406698580.

 If you do not want to visit that page, you can return to the previous page.