https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=3q41ch9fvk25nn2kn3q5thc260&action=none&dz=1715484924&raum_id%5B0%5D=8980&show=belegung&start_date=2024-05-12&view=day21.09.2024 18:04:28