https://www.iai.it/sites/default/files/iaip1924.pdf
https://theconversation.com/berlin-blockade-75-years-on-how-russian-occupation-tactics-in-ukraine-echo-soviet-actions-in-east-germany-207875
https://rusi.org/commentary/uks-overseas-operations-bill-good-questions-wrong-answers?utm_source=RUSI+Newsletter&utm_campaign=5a799a8c56-EMAIL_CAMPAIGN_2020_09_10_09_43_COPY_01&utm_medium=email&utm_term=0_0c9bbb5ef0-5a799a8c56-47711229
https://www.nybooks.com/articles/2022/04/07/a-bridge-too-far-not-one-inch-m-e-sarotte/