https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=tmrtcrfeaig6tthejp61eughr7&action=none&dz=1714690036&raum_id%5B0%5D=7289&show=belegung&start_date=2024-05-06&view=day07.06.2024 15:48:36