https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=ju608bo3uthvme6jvmnlm29o12&action=none&dz=1715523480&raum_id%5B0%5D=9019&show=belegung&start_date=2024-05-11&view=day22.09.2024 17:47:04