https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=rj57iup14s7ifunoljpcij16c3&action=none&dz=1714870415&raum_id%5B0%5D=6797&show=belegung&start_date=2024-05-06&view=day09.06.2024 12:20:08