https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=gbn7g4drh945o4q2mvi0tu2v61&action=none&dz=1715414681&raum_id%5B0%5D=9007&show=belegung&start_date=2024-05-10&view=day18.06.2024 19:28:55