https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=rt7lcssifb59u4mc4i0r2pvq55&action=none&dz=1714275724&raum_id%5B0%5D=7489&show=belegung&start_date=2024-04-29&view=day23.05.2024 15:41:51