https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=23imsk9fvk5idug5lf12to54h6&action=none&dz=1715525011&raum_id%5B0%5D=9115&show=belegung&start_date=2024-05-12&view=day22.09.2024 14:37:56