https://www.ipg-journal.de/rubriken/aussen-und-sicherheitspolitik/artikel/die-maer-vom-trumpschen-rachefeldzug-4437/
https://visegradinsight.eu/germany-complicated-sometimes-ambivalent-partner/
https://www.ipg-journal.de/regionen/europa/artikel/detail/aussenpolitik-nach-wildwest-manier-4419/
https://www.crisisgroup.org/europe-central-asia/eastern-europe/ukraine/256-peace-ukraine-i-european-war
https://rusi.org/commentary/belt-and-road-initiative-economic-development-all-or-geopolitical-power-play
https://rusi.org/commentary/defence-sector-corruption-underestimated-foe-times-crisis
http://www.irsd.be/website/images/livres/rmb/19/ed_19_art_16.pdf
https://medium.com/@SmallArmsSurvey/urban-violence-or-urban-peace-why-are-some-cities-safer-than-others-8626435dd5c7
https://www.zora.uzh.ch/id/eprint/168933/1/From_welfare_to_warfare_Voth.pdf
https://www.occrp.org/en/37-ccblog/ccblog/11905-cocaine-corona-how-the-pandemic-is-squeezing-italian-crime-groups