https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=osp12s1tdrl7a89coaar5ke870&action=none&dz=1714358807&raum_id%5B0%5D=7310&show=belegung&start_date=2024-05-01&view=day05.06.2024 20:06:14