https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=e1aact5vr80offlg0ngb4ain66&action=none&dz=1715440053&raum_id%5B0%5D=9058&show=belegung&start_date=2024-05-11&view=day21.09.2024 23:07:59