https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=icc22s0eejrs0g68lk7t2e78u7&action=none&dz=1715512349&raum_id%5B0%5D=10003&show=belegung&start_date=2024-05-12&view=day16.06.2024 14:19:41