https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=dr0qt2k5n5t79qvld07ju52j54&action=none&dz=1714843206&raum_id%5B0%5D=7316&show=belegung&start_date=2024-05-07&view=day02.06.2024 00:11:08