https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=il7o2mquuf5i8tmh25haf28i17&action=none&dz=1714760917&raum_id%5B0%5D=7199&show=belegung&start_date=2024-05-04&view=day01.06.2024 22:51:07