https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=dj7h2kcacds1dic9smu15ccrs2&action=none&dz=1714406788&raum_id%5B0%5D=9040&show=belegung&start_date=2024-04-29&view=day01.06.2024 07:11:45