https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=rtg970t9jlk6e0bffb7kg7m5e6&action=none&dz=1715515288&raum_id%5B0%5D=7310&show=belegung&start_date=2024-05-14&view=day22.09.2024 18:22:09