https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=pk1bhpago800fjp0hm9blji665&action=none&dz=1715531135&raum_id%5B0%5D=9130&show=belegung&start_date=2024-05-11&view=day17.06.2024 13:59:00