https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=9ujr9525ptoi89sc3a0ohb9v66&action=none&dz=1714972324&raum_id%5B0%5D=9028&show=belegung&start_date=2024-05-06&view=day17.06.2024 20:09:47