https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=smh4jakp8tuij1ff6u53er7845&action=none&dz=1714345464&raum_id%5B0%5D=9070&show=belegung&start_date=2024-04-28&view=day31.05.2024 10:50:55