@online{ timsrc, author = "Zimmermann, Claus", title = "Kinder-Uni 2005 - Warum ist die Welt bunt?", publisher = "Universität Tübingen", year = "2005", month = "Jul", day = "05", url = "https://timms.uni-tuebingen.de:443/tp/UT_20050705_001_kinderuni2005_0001", urldate = "2024-11-23" }