https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=npvsdcpdfm9b8ktek0l3lf8m47&action=none&dz=1714264719&raum_id%5B0%5D=7026&show=belegung&start_date=2024-04-28&view=day04.06.2024 23:21:00