https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=54kel5milfg916f2m6d8sjkc01&action=none&dz=1714254982&raum_id%5B0%5D=8968&show=belegung&start_date=2024-04-27&view=day25.05.2024 17:49:46