https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=gdj4bv08ue1192eqd9ipjo2bu3&action=none&dz=1715593505&raum_id%5B0%5D=7489&show=belegung&start_date=2024-05-14&view=day22.09.2024 18:46:40