https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=6uiis4mr1a56oiat0lr2e7sbk2&action=none&dz=1715603994&raum_id%5B0%5D=7146&show=belegung&start_date=2024-05-17&view=day20.06.2024 16:14:50