https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=o51eskfq73jp9oc9ld2q39r4m5&action=none&dz=1714342552&raum_id%5B0%5D=9019&show=belegung&start_date=2024-04-29&view=day29.05.2024 19:00:50