https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=jnjeh5447ncbos0es1t9h6go81&action=none&dz=1715484852&raum_id%5B0%5D=9064&show=belegung&start_date=2024-05-12&view=day21.09.2024 20:25:56