https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=6m4065qn413lb4tvl9l3d19074&action=none&dz=1715570408&raum_id%5B0%5D=9064&show=belegung&start_date=2024-05-12&view=day21.06.2024 05:41:26