https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?action=none&show=belegung&view=day&raum_id%5B0%5D=7146&start_date=2021-10-26&dz=1634988467&PHPSESSID=ejme272u35mmp4sp2ph73iun2524.04.2024 18:17:00