https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=cefbhhb555adip3569dv4avba6&action=none&dz=1715430768&raum_id%5B0%5D=9142&show=belegung&start_date=2024-05-10&view=day21.09.2024 20:44:05