https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=srsa2cjk9bi1kjvl8havqngfe3&action=none&dz=1714392902&raum_id%5B0%5D=7418&show=belegung&start_date=2024-05-01&view=day13.06.2024 00:35:34