PROCHÁZKA, Josef, Pavel VINKLER, Krisztian JOJART, Zoltan SZENES, Artur GRUSZCZAK and
Matej KANDRÍK. One Threat – Multiple Responses : Countering Hybrid Threats in V4 Countries.
Obrana a strategie. Brno: Univerzita obrany, 2023, vol. 23, No 1, p. 49-75. ISSN 1214-6463. Available from: https://dx.doi.org/10.3849/1802-7199.23.2023.01.049-073.