https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=opolkf4es1o8ffvh5djrvdd9r6&action=none&dz=1715549381&raum_id%5B0%5D=8986&show=belegung&start_date=2024-05-12&view=day20.06.2024 16:54:19