https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=ntiijggql13o3rqetu8d0b9244&action=none&dz=1714449756&raum_id%5B0%5D=7486&show=belegung&start_date=2024-04-30&view=day01.06.2024 19:00:41