https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=cok0bbmjd3uc1rq9o268h9oan7&action=none&dz=1715621164&raum_id%5B0%5D=8989&show=belegung&start_date=2024-05-12&view=day22.09.2024 07:08:03