From Monday, April 16th, 2018 to Wednesday, April 18th, 2018, it is to be expected short-term interruptions in availability of the system due to planned system maintenance. Thank you for your understanding and patience.
On Tuesday, 5 November 2024, your personal content will be converted into the new version of the catalogue. The personal content created in the old version will not be transferred after this date (read more here)!
