https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=h0ir33bc3ouh3thom1d5gjc2k6&action=none&dz=1714335228&raum_id%5B0%5D=7418&show=belegung&start_date=2024-05-01&view=day28.05.2024 11:24:04