https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=6mr2lo28gtl27jh9pkab536fm3&action=none&dz=1715634962&raum_id%5B0%5D=10003&show=belegung&start_date=2024-05-13&view=day20.06.2024 19:15:27