https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=qj2ba3bijh3ot4i9soc05cck61&action=none&dz=1715526705&raum_id%5B0%5D=7026&show=belegung&start_date=2024-05-12&view=day22.09.2024 05:14:12