https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=n3sl41h5be2kljt7fhbivflum4&action=none&dz=1715632914&raum_id%5B0%5D=9058&show=belegung&start_date=2024-05-13&view=day22.09.2024 11:19:17