Magazin <i>Screenguide</i>, issue 16, Jan. 2013, pages 16 ff., PDF:<br>
      <a href=scg16_seiten-16-21_openproject.pdf>scg16_seiten-16-21_openproject.pdf</a>
<p>German text, ready for <a href=http://translate.google.com>translate.google.com</a>: <br>
      <a href=Screenguide_de.html>Screenguide_de.html </a>
<p>English translation: <br>
      <a href=Screenguide_en.html>Screenguide_en.html </a>