@inbook{23661,
  author = {Iskren Ivanov},
  title = {Understanding the Biden Doctrine: From Preemption to Prevention},
  year = {2025},
  journal = {Building Security, Fostering Unity, Sharing Values – Bulgaria in NATO for 20 Years},
  publisher = {University Publishing House "St. Kliment Ohridski"},
  address = {Sofia},
}