https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=61jthn5u0rf9j9o9fvc8l792g0&action=none&dz=1714252115&raum_id%5B0%5D=7489&show=belegung&start_date=2024-04-29&view=day23.05.2024 04:59:06