https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=vi9it72lbhdr8hvfhds5nts943&action=none&dz=1715338855&raum_id%5B0%5D=7406&show=belegung&start_date=2024-05-12&view=day13.06.2024 17:28:49