https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=94mo9cjl5o8b80r3jdb8po9512&action=none&dz=1714797140&raum_id%5B0%5D=7486&show=belegung&start_date=2024-05-04&view=day08.06.2024 14:31:40