https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=5v40mepinq8280nna29pq3i794&action=none&dz=1714977426&raum_id%5B0%5D=7418&show=belegung&start_date=2024-05-09&view=day10.06.2024 11:14:41