https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=rutfrsd3uufr9bati1gv7vfgs7&action=none&dz=1714326284&raum_id%5B0%5D=7289&show=belegung&start_date=2024-04-30&view=day08.06.2024 20:30:36