https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=2e8h44ocmcmvr7br4f0591d1v2&action=none&dz=1714292903&raum_id%5B0%5D=8986&show=belegung&start_date=2024-04-28&view=day27.05.2024 11:51:06