https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=utdmeamcsd60hdo8gn78ul8ou5&action=none&dz=1714368472&raum_id%5B0%5D=8965&show=belegung&start_date=2024-04-29&view=day29.05.2024 09:00:46