@online{
   timsrc,
   author = "Hermann, Winfried",
   title = "Possibilities of Influence for a Sustainable Development",
   publisher = "Universität Tübingen",
   year = "2010",
   month = "Sep",
   day = "25",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20100925_002_summit_0001",
   urldate = "2024-05-09"
}