https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=f608i9qjn0g3d4fv7r39jesdb7&action=none&dz=1715426904&raum_id%5B0%5D=9040&show=belegung&start_date=2024-05-12&view=day21.09.2024 14:59:20