https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=drpd22brb0nb18gqna3hfs2aj2&action=none&dz=1715564356&raum_id%5B0%5D=9064&show=belegung&start_date=2024-05-12&view=day25.06.2024 11:30:38