https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=edmlecfu679q5kqsrol9lo0li5&action=none&dz=1714992499&raum_id%5B0%5D=7146&show=belegung&start_date=2024-05-09&view=day10.06.2024 14:17:30