@online{
   timsrc,
   author = "Wulf, Rüdiger",
   title = "Kriminalprävention: "School shootings" und (Hoch)Schulsicherheit",
   publisher = "Universität Tübingen",
   year = "2011",
   month = "Jun",
   day = "30",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20110630_001_rvkrimi_0001",
   urldate = "2024-04-26"
}