https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=c1l6r32egv735ralvd4bcsfqm5&action=none&dz=1714390198&raum_id%5B0%5D=9127&show=belegung&start_date=2024-04-29&view=day09.06.2024 13:06:09