https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=qm3q41c63qk3qqkoco4n4b7i42&action=none&dz=1714349380&raum_id%5B0%5D=7489&show=belegung&start_date=2024-04-29&view=day01.06.2024 00:38:30