https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=81khd47f31hkqf9jvp5in07mv0&action=none&dz=1715439098&raum_id%5B0%5D=8989&show=belegung&start_date=2024-05-12&view=day17.06.2024 09:02:12