https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=ek2fcajc2kigv3lpt16cp41p82&action=none&dz=1714853480&raum_id%5B0%5D=7199&show=belegung&start_date=2024-05-04&view=day21.06.2024 14:38:01