https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=2h4tpqt8b3j9enqa6fls8o25v2&action=none&dz=1714401649&raum_id%5B0%5D=7199&show=belegung&start_date=2024-05-01&view=day21.09.2024 00:37:40