https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=qe0cf70tvs0e9frjpjs75jum87&action=none&dz=1714359759&raum_id%5B0%5D=8512&show=belegung&start_date=2024-04-29&view=day04.06.2024 10:39:26