https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=3c677ugb18imi0qn939nsf81k2&action=none&dz=1715541901&raum_id%5B0%5D=7289&show=belegung&start_date=2024-05-14&view=day22.09.2024 18:07:51