https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=on8v7blig1e78arg2q7cmi6g67&action=none&dz=1715431854&raum_id%5B0%5D=7289&show=belegung&start_date=2024-05-14&view=day21.09.2024 15:04:56