IST- 2001-320015 Humboldt-University, Berlin, Germany - Electronic Publishing Group - CMS / University Library Birgit Matthaei, 28. March 2003, Berlin,
IST- 2001-320015 Humboldt University Berlin, Germany – Computer and Media Service – Electronic Publishing Group Birgit Matthaei, 4th Sept. 2003, Bath,
IST- 2001-320015 Humboldt-University, Berlin, Germany - Electronic Publishing Group - Computing Centre / University Library Birgit Matthaei, 7. Dec. 2002,
