https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=fnro18dfj3r37lbpqd0pf7h5e5&action=none&dz=1714376384&raum_id%5B0%5D=14101&show=belegung&start_date=2024-04-29&view=day05.06.2024 00:58:13