https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=10pfs2a5j33ff9apt5c6rvqo42&action=none&dz=1714476663&raum_id%5B0%5D=7489&show=belegung&start_date=2024-05-01&view=day07.06.2024 05:36:48