https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=hk5oljiehlbril5kdv8hjiv686&action=none&dz=1715543922&raum_id%5B0%5D=7026&show=belegung&start_date=2024-05-12&view=day22.09.2024 16:02:19