https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=5b24aed2tvjhkom45i5vj709b7&action=none&dz=1714323224&raum_id%5B0%5D=9040&show=belegung&start_date=2024-04-28&view=day08.06.2024 22:15:00