https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=usgihliq6nme6vrh8fdh6irm84&action=none&dz=1715609639&raum_id%5B0%5D=9007&show=belegung&start_date=2024-05-14&view=day22.09.2024 11:05:03