https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=qn9a3mavvnof4q54r8i7tva6v7&action=none&dz=1714448992&raum_id%5B0%5D=7289&show=belegung&start_date=2024-05-04&view=day01.06.2024 10:05:19