https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=e4ubqqrgvsh15st2cknnt851a6&action=none&dz=1714337348&raum_id%5B0%5D=7418&show=belegung&start_date=2024-05-01&view=day31.05.2024 01:45:15