https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=4rfgclbk04g33229ppcb019mr0&action=none&dz=1715288108&raum_id%5B0%5D=14101&show=belegung&start_date=2024-05-10&view=day03.06.2024 02:17:00