https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=ckruq224f7vvotnblaatr3alr1&action=none&dz=1715458934&raum_id%5B0%5D=7418&show=belegung&start_date=2024-06-01&view=day21.09.2024 21:05:57