https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=9g0uc55gtv4jec04gqg9uplgb2&action=none&dz=1715418347&raum_id%5B0%5D=7292&show=belegung&start_date=2024-05-13&view=day18.06.2024 21:12:46