https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=8e6qb9bselois5b88pvg4ao316&action=none&dz=1714302536&raum_id%5B0%5D=9130&show=belegung&start_date=2024-04-29&view=day23.05.2024 18:37:16