https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=qjbb4nunf5oiavfbbl9rohkob1&action=none&dz=1715436247&raum_id%5B0%5D=9040&show=belegung&start_date=2024-05-11&view=day21.09.2024 15:23:50