https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=pei3ogm4cum64q9imbvg5ue3g2&action=none&dz=1714658340&raum_id%5B0%5D=13231&show=belegung&start_date=2024-05-02&view=day02.06.2024 11:40:22