https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=ci0pebdcisgbsccfrq1bjbrtu4&action=none&dz=1714321337&raum_id%5B0%5D=7486&show=belegung&start_date=2024-04-27&view=day23.05.2024 16:18:02