https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=tuiap80r6qp5ag6vk3b27k9mq6&action=none&dz=1715427118&raum_id%5B0%5D=7489&show=belegung&start_date=2024-05-11&view=day21.09.2024 18:16:21