https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=9konhls04ogosqde3ujgfne805&action=none&dz=1715126269&raum_id%5B0%5D=9040&show=belegung&start_date=2024-05-08&view=day02.06.2024 16:55:42