https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=mhond6vst7agi9j480rnp98s26&action=none&dz=1714352934&raum_id%5B0%5D=9061&show=belegung&start_date=2024-04-29&view=day31.05.2024 00:16:01