@online{ timsrc, author = "Baake, Rainer", title = "100% renewable energy - what else?", publisher = "Universität Tübingen", year = "2010", month = "Sep", day = "22", url = "https://timms.uni-tuebingen.de:443/tp/UT_20100922_006_summit_0001", urldate = "2024-11-23" }