https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=f7mf7816ddjb7t6h5j80i39il4&action=none&dz=1714460038&raum_id%5B0%5D=8992&show=belegung&start_date=2024-04-29&view=day06.06.2024 14:09:02