https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=5m1bm7hb1atq0b0kuntc37v5h7&action=none&dz=1714456931&raum_id%5B0%5D=9040&show=belegung&start_date=2024-04-30&view=day01.06.2024 20:31:25