https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?action=none&show=belegung&view=day&raum_id%5B0%5D=9040&start_date=2024-03-30&dz=1711706368&PHPSESSID=g80nbijheri723j3ae6sbar37515.05.2024 13:42:43