https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=pd1socdc6sik5v8ttrtfl8rgt1&action=none&dz=1714304540&raum_id%5B0%5D=10009&show=belegung&start_date=2024-04-28&view=day23.05.2024 18:56:52