https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=pcsbt1s517b5vse71f83b8hrf6&action=none&dz=1715507983&raum_id%5B0%5D=9007&show=belegung&start_date=2024-05-13&view=day21.06.2024 01:41:58