https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=930ualsa9acldbsdqc85amm424&action=none&dz=1714322346&raum_id%5B0%5D=10009&show=belegung&start_date=2024-04-28&view=day23.05.2024 17:24:38