@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 = "2024-05-19"
}