https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=ctedrvh8kdfjce02jah9n99cp1&action=none&dz=1714413825&raum_id%5B0%5D=9028&show=belegung&start_date=2024-04-29&view=day01.06.2024 02:05:25