@online{
   timsrc,
   author = "Mitchison, Avrion",
   title = "Closing Speech",
   publisher = "Universität Tübingen",
   year = "2001",
   month = "Jul",
   day = "20",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20010720_001_antigen_0009",
   urldate = "2024-04-29"
}