https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=irj0450u4jvb15pist6l7tsce0&action=none&dz=1714477271&raum_id%5B0%5D=9115&show=belegung&start_date=2024-04-30&view=day03.06.2024 07:52:00