https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=rkglvjopp0p045h8m8i8rfgdv5&action=none&dz=1715473384&raum_id%5B0%5D=9052&show=belegung&start_date=2024-05-11&view=day21.09.2024 13:10:59