https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=ue1l81up1jgu3r4lbr34p780b6&action=none&dz=1715576529&raum_id%5B0%5D=9115&show=belegung&start_date=2024-05-13&view=day22.09.2024 13:04:11