https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=04a5mlmnrdml0vr3dmm4dudut2&action=none&dz=1714299987&raum_id%5B0%5D=13231&show=belegung&start_date=2024-04-28&view=day28.05.2024 10:35:50