https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=r783jdvd8fc6i9000rvj76vtq2&action=none&dz=1714402229&raum_id%5B0%5D=8980&show=belegung&start_date=2024-04-28&view=day13.06.2024 02:14:03