https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=uvjb1an2e1q2kbf6ug2ss7ca84&action=none&dz=1714334946&raum_id%5B0%5D=9127&show=belegung&start_date=2024-04-27&view=day23.05.2024 23:17:57