@online{
   timsrc,
   author = "Dreizler, Stefan",
   title = "17th European White Dwarf Workshop: On the evidence for planets orbiting the post-common envelope binary NN Ser",
   publisher = "Universität Tübingen",
   year = "2010",
   month = "Aug",
   day = "20",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20100820_007_eurowd_0001",
   urldate = "2024-04-24"
}