@unpublished{PflaumerLeskovecMeineletal.2021,
  author  = {Martin Pflaumer and Luka Leskovec and Stefan Meinel and Marc Wagner},
  title   = {Existence and non-existence of doubly heavy tetraquark bound states},
  institution = {Physik},
  pages     = {9},
  year    = {2021},
}