
https://www.nato.int/nato_static_fl2014/assets/pdf/pdf_2018_03/20180315_SG_AnnualReport_en.pdf

https://rusi.org/sites/default/files/201905_op_which_rules_why_there_is_no_single_rules_based_international_system_web.pdf

https://visegradinsight.eu/germany-complicated-sometimes-ambivalent-partner/