https://www.egovcenter.ch/willisau/de/raumreservation/welcome.php?SESSIONCMS=rp3b2o9b5j1m8c46m94ikfe1o1&action=none&dz=1715090117&raum_id%5B0%5D=7418&show=belegung&start_date=2024-05-10&view=day02.06.2024 20:40:24