https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=rurcj3ntc7iq0viva4b3hsf2l1&action=none&dz=1714339689&raum_id%5B0%5D=8992&show=belegung&start_date=2024-04-28&view=day30.05.2024 04:18:24