https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=bsqvkfqj2p62higho54t5ph3j6&action=none&dz=1715532760&raum_id%5B0%5D=8965&show=belegung&start_date=2024-05-13&view=day17.06.2024 14:22:51